I understand this makes complete sense from an app ecology perspective, but if we were to make a similar bulletin for any other community built product..that list might sound a little overbearing.
I agree it's overbearing, but if that is the case they should consider choosing a different method to distribute their app for which they are trying to solicit my money that they don't find overbearing.
Mixing money and third party app distribution platforms that want a cut is complicated and if this is a serious project it would have considered this.
a) still need to affirm their model was deemed acceptable to Apple,
if they're limiting their market to EU users they should
b) say so up front, and
c) limit access to the app and origin of donations by region
because the problems I describe are material for everyone else.