No, if users paid to their own instances, the network would be fine.
if lemmy.world or some big instances got shortage of donation someday, then what should we do?
Then hopefully enough people will learn the lesson and start donating to the existing commercial instances that exist, or start supporting whatever-next comes.
Bottom line is: trying to charge people who are not your direct users is absolutely moronic.
That’s just as extreme, and just as short- sighted.
Enshittification is about companies that offer a bunch of things for “free” (actually, using VC funds) on an attempt to get to dominate the market first. When they get the users and establish a monopoly, the VC starts demanding to see the returns of their investment and that’s when enshittification happens.
Smaller service providers that make a living out of charging directly for their services do not need VC and have no reason to squeeze their users and the nature of the Fediverse ensures that no single provider can create a monopoly.
Small, independent businesses are healthy and should be encouraged. Saying “money = bad” is a recipe to keep things indefinitely small and unable to compete with the alternatives.