Note Ali (Muhammad Ali), Leia (Carrie Fisher), Major Tom (David Bowie), Willy Wonka (Gene Wilder), Prince, and Brady's Mom (? - Florence Henderson?), all recent celebrity deaths.

Lyrics from https://www.azlyrics.com/lyrics/perfectcircle/solongandthanksforallthefish.html :

Time is money and money is time
We wasted every second dime
On diets, lawyers, shrinks and apps
And flags, and plastic surgery
Now Willy Wonka, Major Tom
Ali and Leia have moved on
Signal the final curtain call
In all this atomic pageantry

Bravissimo, hip-hip hooray
For this fireworks display
Mind and body blown away
What a radiant crescendo

Ticker tape parade
Our hair and skin like
Like Marilyn Monroe
In an empty wind

Time is money and money is time
We wasted every second dime
On politicians, fancy water
And guns, and plastic surgery
Like old Prince and Brady's mom
All the dolphins have moved on
Signaling the final curtain call
In all this atomic pageantry

Bravissimo, hip-hip hooray
What a glorious display
Melt our joyous hearts away
Under the mushroom cloud confetti

Hip-hip hooray
For this fireworks display
Mind and body blown away
What a radiant crescendo

Hip-hip hooray
Hip-hip hooray

Ticker tape parade
Our hair and skin like
Like Marilyn Monroe
In an empty wind

Time is money and money is time
We wasted every second dime
On diets, lawyers, shrinks and apps
And flags, and plastic surgery
Now Willy Wonka, Major Tom
Ali and Leia have moved on
Signal the final curtain call
In all this atomic pageantry

Congratulations! Your video, Mark Hamill Didn't Tell Carrie Fisher a Big Star Wars Secret, has reached the #1 spot in the current Top 15 New Videos listing. This is a very difficult thing to accomplish but you managed to pull it off. For your contribution you have been awarded 2 Power Points.

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Your video, Mark Hamill Didn't Tell Carrie Fisher a Big Star Wars Secret, has made it into the Top 15 New Videos listing. Congratulations on your achievement. For your contribution you have been awarded 1 Power Point.

This i find way more appealing then the trailer that came out three months ago. I'm back on board. https://videosift.com/video/Star-Wars-The-Last-Jedi-Trailer

Seeing Carrie Fisher makes me sad.

"If my life wasn't funny, it would just be true, and that is unacceptable."
- Wishful Drinking

Carrie Fisher was awesome. Even her obituary was cooler than my life:
Drowned in moonlight, strangled by her own bra.

Man, I'm suuuper late to this party....
Anyways, Die Hard is and is not a Christmas movie at the same time. And it depends on your definition what makes a Christmas movie.
I'm gonna take an insane detour here that'll make sense.
Is Star Wars Episode 4 a science fiction movie?
That setting is futuristic, sure, must be sci-fi then. Lasers, Spaceships, Robots, the works. The checklist is done. Sci-Fi.
But what are the themes it touches upon, what is the story?
A young farmer's boy (naturally an adoptred orphan) named Luke is dragged into a rebellion against an evil king (Palpatine) by accident. When the boy get's hold of a pretty princess' (RIP Carrie Fisher) message to an old ally and menthor (Obi) through the fault of her two comic-relief servants (Robot-slaves), he decides to seek the adventure he's yearning for. He finds the old man (by fucking up) and both seek the next harbor to board a ship to join the resistance. The hire smuggler/pirate/bandit/nerfherder Han and his foreign friend Chewie and cross paths with the black knight Lord Vader, the evil kings enforcer. Hijinks ensue, princess rescued, the magic castle/ship/train of the evil king get's destroyed and everyone gets a medal.
What's exactly sci-fi here?
That could play out in medieval times. Or ancient greece. Or the wild west. Or on Christmas.
The setting and the genre are two different things and both determine what you'll label a story with.
Alien is a horror movie, a slasher. Aliens is a war movie. Alien³ is a horror movie of the animal-gone-maneater kind. Alien: Resurrection is a disaster movie (hihi).
They're all sci-fi, like Star Wars. Because of the setting.
Now look at Star Trek: The Next Generation Season 2 Episode 9 'The Measure Of A Man'.
Lasers, spaceships, robots, the usual. What is it about?
A Robot who's so sophisticated that he has to go to trial to prove he's not property but a real boy. Sure, you'll say, I've seen Pinocchio and I can see african men argue the same stuff in the 18th century. The point of the story is not only that is humanity is questioned, the point is he's an artificial lifeform. The question is not only 'What makes you a person?' but also 'When does artificial intelligence become an artificial person?'
That shit won't work in a setting without spaceships and robots. That's sci-fi because of its story.
So, setting and story are both what makes you label a movie a certain way but they're not the same.
Die Hard. Happens on Christmas. Could be Thanksgiving too. Setting interchangeable.
Story? Doesn't contain any christmas-related themes beyond two estranged family members become closer again. That could happen at a funeral as well.
I'm in my mid-thirties and I love Die Hard. It's one of the best 80's action movies. I can watch it anytime and I've seen it at least 20 times (noit joking here). But mostly in the summer. But I understand the question and its diverse answers perfectly well.
Die Hard is a christmas movie if it feels like one to you. For me, Lord of the Rings (especially Fellowship) feels like a Christmas movie to me. I've seen them all in theatres in December, I watched them on VHS and Blu-Ray only in December so far. They have fuck all to do with the occasion but this year was the first one I didn't watch any of them in December. And I feel I missed something this year. I'm not sure I can watch them at this time of the year.

Is this supposed to be a parody? Or do people not realise that the little baby from episode 1 isn't actually Carrie Fisher.....

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Heard the news this morning, and then the radio played Leia's Theme and I had to pull over for a second.

Carrie Fisher wasn't Leia; she was much more.

But it's such an evocative piece of music, it's hard not to... gah, I dunno... man, fuck this year.

For those wondering... this is how she wanted her obit to read.
http://www.vanityfair.com/hollywood/2016/12/carrie-fisher-dies-strangled-by-bra-wishful-drinking

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*quality Carrie Fisher not giving a fuck