I don't think it's wrong to keep questions like these in mind, it's great for information security and your privacy!
I'm with ya - no hate and no ill will to the hosts of any of these instances, but a cautious or informed user is a safe user. And safe users tend to mean user longevity on a platform! So it's kind of cyclical, the "safety> accountability> user" relationship.
Yep! Donating to both their Open Collective page for Mastodon.World (didn't grab that link by accident), as well as their Patreon page for Mastodon.World works!
They have a note up on Patreon that donations there also contribute to World.Lemmy, as well as another Lemmy instance!
Here's the link to their Patreon; https://patreon.com/mastodonworld