I don’t think its a good idea. If a user post such valuable informatiom that i want to award them id rather they reap the reward themselves and not the admin of the instance they happened to sign up on.
We should have a lemmy Health Bar that shows us how much funds are still required for the server bill to be covered for the month similar to how reddit showed a decade ago when they were a transparent website like so: https://i.imgur.com/bMAOjwy.png