He has the panache and they haven't, and he does it on two levels, one is exposure of their lies and misdeeds and secondly their character and appearance. Twofer, so to speak.

How do our leaders insult their national and international adversaries with their name calling? It's disgusting. Zero decorum. Due to that, I characterise them as low life, worthy of insults.

He doesn't do it in the Commons.