'no proof anyone signed anything'
I don't know exactly what kind of proof you expect.
I agree that it could be more clearly explained. There was a fair bit of discussion on 'Mastodon' about it so some of that context might not be clear.
Re the donation links. It is quite common for people who show up on the fediverse and put in some work to ask for donations.
I mean it is a attempt to rally community to a cause but it was put together by one person off their own bat.