This is huge and not like what happened last month.
Last month they removed access to "Deadly Dentists | Season 1" and similar shows that are also broadcasted 24/7 everywhere on TV, so not too many people "purchased" them.
But for anime the chance that a big fan is losing access to a massive collection of titles paid thousands of dollars is much higher.
Sony didn't learn from the backlash that happened less than two months ago?????
I’m not aware of that ever happening. It may have, but every case that I’m aware of has ended quickly with the court enforcing the TOS that users “voluntarily” deciphered and agreed to.
One clear example in the US is "warranty void if removed" stickers. It was found that "contract" violated consumer protection laws, so companies are required to prove the customer broke it in an attempt to repair it, instead of just proving the customer attempted to repair it.