There are an awful lot of old men yelling at clouds in power across the world right now.
Also, "there is no international law" is a strange argument to make in defense of a country that spends enormous resources lobbying international institutions and running influence ops in allied democracies. If none of it mattered, why bother?
Hope for the best, plan for the worst. Republicans and missiles being the best.
Sympathy is akin to allegiance, and over time translates into all sorts of practical benefits. We were getting harsher on China until it turned out that they can be reasonable and a good trade partner.
Israel doesn’t have a ton of friends left in the world arena. Sure, we might be old grandpas over here, but at least I think it’s a better world if we hold each other accountable and try to be friendly to our allies.