YouTube is enforcing a new "Strike System" for "Community Guidelines." It begins February 25, 2019.

Changes to Community Guidelines Strikes - Burning Questions
https://youtu.be/ZTRwOQFfaNo

Community Guidelines have been around a while, but more violations have been identified.
https://www.youtube.com/yt/about/policies/#community-guidelines

I realize YouTube is not our only source for videos, but I figured folks need a heads up. Deleted videos or channels on YouTube will affect the content here.