“The military” is not, and azov was a private group that they have integrated into their military due to the existential crisis of being invaded by Russia.
Many countries have a problem now with far right extremists. Why don’t you tell me about Rusich group? Russia has their own Nazi problems, maybe we should invade them?
But if your argument is that Russia should destroy Ukraine wouldn't it be extremely relevant to examine the Russian military and their ties to Nazi groups? If, like you say, Ukraine hiring a Nazi paramilitary group makes the entire Ukrainian government Nazis then we should make sure they aren't taken over by a government who did the exact same thing.