We all know how those “ethics committees” go, right? It’d immediately turn into another culture war type issue where very blatant favoritism is shown to certain charities and blatant hostility to others.

What's unethical about supporting the Constitutional rights of Americans?

It all depends on how you phrase it. "Supporting the Constitutional rights of Americans" will get broader approval than "protecting the rights of Neo-Nazis to march through Jewish neighborhoods", even though something is only a right when unpopular groups get it too.

If you're of the opinion that gun rights cause massive numbers of deaths in the US, then you might think supporting the NRA or any of their more extreme counterparts is unethical.

those customers were responsible for $19.6B in sales. that’s sort of a bunch of money to say “fuck you” to.

not to mention the ethical backflips you’d have to use to distinguish the SAF from the ACLU.