Some of the more niche communities I had on reddit don't exist on Lemmy yet, and likely won't for the foreseeable future. DPS chasing for a small MMO seems like a thing that could exist here, but for now the majority of the public would just use Reddit or whatever instead.
The custom mtg card community I joined is pretty much just dead. I did a card a day for a while in there, but then I ran out of cards is already made and now it's just sitting again.
Other than that, the general purpose of it is doing exactly what Reddit did for me, so...
If nothing else, mandate the opening of the standards must coincide with the end of support. I realize it would mean a service blackout while another company tries to pick them up, but it would be a lot better than nothing and it doesn't hit the bottom line if a company operating now quite so much which would make it more palatable.
Don't forget the company serving the ads, and also the company paying for them