The situation with high quality search results becoming inaccessible reminds me of what happened with expertsexchange back in the day. EE adopted a pay wall and in doing so sequestered a bunch of useful technical answers. Their greed turned against them and opened the way for StackOverflow to really take off and gain dominance.

I expect it’ll be its own Eternal September

https://en.m.wikipedia.org/wiki/Eternal_September