You're witnessing President Trump's character. He is always polite to losers. Remember how nice he was to hillary during his Inauguration lunch?
I think Ryan was given a chance. He messed up and is thanked for it. twice.
I think this would be true if Ryan was on this limb alone ...but Pence and Price are on it, too. So I'm not convinced this will do the harm to Ryan's career that many expect.