Clearly I think it would be preferable if they didn't do business with Russia, israel, or any other states actively engaging in the invasion of other people's sovereignty, but that doesn't have to be the only disqualifying factor. There are plenty of nations in the world that are toxic by other criteria. I highly doubt countries that murder civilians for wearing the "wrong" clothes or espousing the "wrong" opinions, for instance, would be conducive with the operation of such a credit union. Also, countries where if they find out you're gay they execute you. That's not very anti-censorship and tacit complicity with that fuckery would not further the mission.

So it would definitively not be bothering with the laws of countries it will never interact with.