Growth is (generally) fine, as long as it’s decentralized and/or by trustworthy partners. I’m already uneasy about how big lemmy.world is comparatively, even though I’ve never seen anything to suggest any bad intent. Meta would be neither.
If we could keep Meta’s volume to a level where they cannot exert undue influence, I’d even be OK with them being part of it.
This really needs to be higher.
Running a Mastodon or Lemmy server is surprisingly cheap. With some specific tweaks and rules (esp. hosting images and video elsewhere), it can get even cheaper.
If your only goal is to break even, then it’s amazingly easy. Roughly 1 of every 20 users contributing $1/month. Adjust the numbers as you see fit.
Or a single, non-datamined ad at the top of the page.