Values are an integral part of tech design. I think that a lot of people don't use Chrome because of Google's tracking and profiling ecosystem, even though they feel it is a good browser. I prefer to use an open-source product, even if it may not be the best, just because I support open source as an idea. That is not weak.
people don’t use chrome because ads are annoying and because google ads on the front page led them into scam sites. Or because chrome is inefficient. That’s the only reason anyone seems to use brave or safari anyways.
He's a public persona and was initially picked for a high-visibility position at Mozilla. While he's free to donate to whoever (or more generally, do) as he sees fit, the org is equally free to not want to be associated with that.
In the case of positions that aren't in the public eye, there's more of an argument to be made (although even there, there are lines where you can argue that a contributor doesn't align with the values of the organization depending on what the disagreements are), but if he's meant to represent the group, the expectation of privacy is different.
You know what sounds weak? “Don’t eat at chicken fila because of politics blah blah blah” But you know what wins customers? Popeyes _MF_!