Well you say that but we have plenty of sysadmins who applied and most of us are it professionals already doing this as a hobby project. I think we tackled that in our most recent announcement. If that is not for you that is fine.

The donations to mastodon.world are shared with those to lemmy.world. LW admin Ruud has been very open in his near-monthly blogs: https://blog.mastodon.world/

These blog posts are also announced on Lemmy World. I think it is all pretty clear.