Yes. Precisely because he already got away with so much in the past. If it worked then, why shouldn't it work now? It's a foot-in-the-door approach. Once you've got the door open a sliver, you widen it a little further with another kick, and yet another, etc., until it's open wide and the light's permanently green. That's the logic, no wonder he's surprised. Ma nishtana halaila hazeh mikol haleilot, for heaven's sake?
Palestinians call general strike in J'lem Old City over police conduct, settler violence (Haaretz)
from the article: Netanyahu: Probe events that led to row with U.S. over East Jerusalem