How to talk to your employers about it.
I would tell my employer that this was bullshit.
[Update a couple minutes later]
Yes, I know that white text on black background is hard on the eyes. I’m looking for contact information to tell them that.
[Update a few minutes later]
OK, if you click on the little lightbulb icon at the upper right, it fixes it.
[Update a few minutes later]
Related: Youtube throws in the towel.
Just temporarily, I suspect. This nonsense will continue, and it has to be continually pushed back against.