You forgot the (alleged) assasination attempt on President Maduro in Venezuela. They only had two drones.

A swarm of 5200 could take out any non hardened above ground target, including the White House, and no ballistic system in use today could stop them all. Indeed, if they are programmed to come from every direction to one point, flying low, they would almost certainly go undetected until it was too late and could deliver tons (literally) of high explosives.

If you watch this and feel anything but complete terror, you're missing the point. An AI controlled drone swarm is a military nightmare: you can blind radar; shut down comms; interrupt C3 at a crucial moment.

The things that can be done with a thousand cheap drones and some basic AI can render billion-dollar military systems moot in the event of real combat. The US Navy is already shitting themselves over this (there's already been a few incidents, most recently off the coast of San Diego), and the USAF isn't far behind. Serious drones incidents -- from unknown attackers -- have happened in the US. This including an attempted attack on a power station and a bizarre cat-and-mouse game between USBP/HLS and an unidentified "super drone" over Arizona on more than one occasion.

Did you notice what they were displaying? This wasn't meant to be oo-aah cute, this was China telling the US military they fuck around at their own risk. The last time someone sent a message this clearly, Billy Mitchell was flying a biplane over a captured German destroyer.

"Far less chance for severe mishaps, too" -- I know you meant something totally different, but in the case of what I'm talking about, the exact opposite holds true.

These drones light shows are feeling samey-samey real fast, no "wow" factor anymore to me just like fireworks, though they can convey any messages (propaganda?) far more clearly and inventively if done right. But at least these drones get reused events after events. Hopefully the environmental impact is less than fireworks at the end of the their days.

Far less chance of severe mishaps too.

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May be the best use of a drone ever

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That's a pretty silent drone. Looks like a lot work and skill.

Yeah, if each ball is ~$0.33 and that reservoir needed 96 million, would have cost them $32M. (they say they last about 10 years and can recover some of cost via recycling, but also it saved them a lot of money on chlorine, because less of it was needed to keep algae down).
So, even if they need fewer balls and they last 20 years at the copper mine, I highly doubt it costs them $1M a year in staff+drones+bullets.

But I bet there's other materials that are cheaper that aren't food-safe like they need for drinking water reservoirs... another re-use for floating-ocean-trash? In that case they could actually charge by the ton like other waste-management companies.

I'm curious to know what the ambient temperatures around that drone might have been.

*quality drone/bot
Reminds me of the little attack bots in one of the Star Wars sequels.

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Y'all hear about Biden murdering children with drone strikes in Afghanistan?

Right after Jackass came out, a couple of friends-of-a-friend decided to stage their own version of the movie -- with a hornet's nest. They found the thing hanging from a tree at the edge of a field and it was not remotely on the small size. Also, this was in late August and the queen had already flown away, leaving the drones to slowly starve to death. Thus, the enormous number of stripey-stripey sting-stings were already good 'n' pissed-off.

They were about to get moreso.

So chowderhead A and chowderhead B have a brilliant plan: they're going to shoot this enormous ball full of astoundingly-irate murderous insects with a shotgun while they're filming it. If you're hearing banjos playing and luke-warm cheap beers being cracked open, you're about in the right frame of mind.

Places, everybody!

The stage is set: on one end, at what's decided to be "minimum safe distance", are our erstwhile David Attenborough/Jonny Knoxville knock-offs. At a decidedly NOT minimum safe distance away is the arthropod version of the T'sar Bomba. All we're missing now is a Mossberg, enough idiocy to think this can end any way but badly, and a camera. With far too much alacrity for what's about to happen, all three are provided.

Aaaaaand, ACTION!

* BOOOM! *

At first, surprisingly, nothing happens. This period of stasis lasts roughly a picosecond. Then, unsurprisingly, things start to happen and they happen far more quickly than the Chuckle Brothers planned on. This plays out in three acts:

Act 1: "Hey, uh, why is the nest still there?"
Act 2: "Uh-oh..."
Act 3: "FUCK FUCK FUCK FUCK FUCK FUCK FUCK!!!"

Hubris takes many forms, and schadenfreude takes twice as many, but both combined were statistically zero compared to the number of hornets involved in this fiasco. Had the two Mensa escapees who irked said hornets thought this thing through -- stop laughing -- perhaps they would have arrived at the conclusion that 1. a shotgun slug is not the preferred load-out when dealing with a ball made out of wasp puke and 2. being the only two things visible within a 20 mile radius of the ball made out of wasp puke pretty much negates the mystery of who the hornets are going to sting the ever-loving fuck out of.

With their plans in ruins and the nest not, our heroes decide to quit the field. This is the first smart thing they've done since looking at that big ball of wasps and deciding it was redolent with untapped hilarity. The hornets are having none of this white flag nonsense, however, and they decide to quit screwing around and really inflict some pain. It's a quarter mile back to the car and the hornets are going to make them pay for every inch of it.

The final score:
Hornet losses: meh, they were all going to die in a few weeks anyway.
The chucklenuts: 23 stings, a dropped shotgun, and three minutes of footage that they took in the pre-YouTube era and thus is lost to time.

Moral:
Hornets are not toys.