Condemning Israel is cheap and easy, but a real military conflict is another matter. As the article suggests, Trump is on Israel’s side, and also Israel obviously punches way above its weight class. The Assad regime would be an early casualty of any real conflict, I suspect, and that would not serve Russia’s interests, to say the least. It’s better to play nice.
It’s possible that Putin’s response will be towards Syria, and the target: Damascus. Psalm 17.