It could be that his counter-gerrymander is all talk and there will be some last minute failure to act on it, in which case he is indeed milquetoast and also full of shit. But, should he follow through on it, that's the opposite of milquetoast and an important step forward. It's great to see some recognition that the republicans fight dirty, always and openly, and that acting in good faith when your opponent doesn't, just means you lose.
We are at war, a creeping and undeclared war but war nonetheless. Newsom may be an asshole and his policies may be bad. In war, your allies might not be your heroes, nor even your friends. As long as they are shooting in the right direction and having an effect, that's a good ally.