Your question is as short-sighted as “If global warming is real, then why is it snowing in Southern Europe?”
No, a system that is not sustainable does not imply that all the ecosystem dies simultaneously. It just means that it relies on a continuous stream of idealistic people coming in, willing to help, only to collapse eventually later.
18 months after the API debacle on Reddit, most of the instances are still around. If the model was not sustainable, wouldn’t have all closed?
Your question is as short-sighted as “If global warming is real, then why is it snowing in Southern Europe?”
No, a system that is not sustainable does not imply that all the ecosystem dies simultaneously. It just means that it relies on a continuous stream of idealistic people coming in, willing to help, only to collapse eventually later.
If admins need more money, they can ask for help to their communities.
Lemmy.zip seems to be doing okay: https://lemmy.zip/post/29448608?scrollToComments=true
Lemm.ee had a question about a donation link and never answered https://lemm.ee/post/49850162?scrollToComments=true
I know a few instance admins who runs their instances on hardware they would be using anyway.
Again, if some server admins need help with money, they should definitely ask, but I haven’t seen such request ever.