Doesn't look like IP is the issue here. I mean yes, it's harder to find hosting for vids because platforms like YouTube screen stuff, but the examples in the article are all original content creators whose main issue with YouTube is that it's not as amenable to locked subscribers, and also vimeo is integrated with Patreon. And many of these users were even already paying vimeo.

It's more that this convenient paid hosting service that many fans also use is reorienting towards bigger business customers, and as fallout a lot of fan content will vanish, just like when geocities folded.

For the likelihood of things just vanishing for me as fan content consumer, I don't think personal websites work out better. They frequently are even more precarious.

My sadness is mostly because I'm lazy and vids from streams were often much harder to save than fanfic, so I generally don't have that personal backup of favorites that I do have for most fanfic I have enjoyed.