For your information, only donations via Opencollective pay for lemmy.ml hosting.
Perhaps that could be more clearly stated across the donation platforms?
Lemmy has great potential as a Reddit alternative, but its perceived association with lemmy.ml and Lemmygrad will inherently lead to some users not joining or donating. Emphasizing the distinction between funding for Lemmy and funding for Lemmy.ml would probably lead to an increased number of donations.