Why would they want me to think that they're untrained rabble? They want me to take them seriously and be scared of them. They don't care if I'm surprised by their ingenuity, they want me to think they're an unstoppable force so that we'll give in to their demands.
And we haven't seen the end of the attacks in the US or Europe, just the end of successful attacks. They're not waiting because they're patient (And I find it odd that you would sweepingly generalize them as patient and the West as impatient. Is resorting to terrorist attacks to get what you want a typical attribute of patient people? Seems like an attempt at instant gratification to me.) They have tried, and they've failed. Sucker punches are easy, boxing matches aren't,and right now they're a bit busy getting their asses kicked around their own back yards.