> You really think a NATO ally can be hit
No, but the odds don't look as daunting as they used to. It's certainly more bargainable than it ever was. In any case, only the Baltics in my last comment are NATO allies. Lots of American interests aren't covered by Article 5.
> I have to respectfully disagree
My point isn't that confrontation is likely. It's that disrespectful disagreement of the status quo is more likely today than before, in part because of what happened in Crimea and Syria, and in part because we have such an unstable domestic situation with clearly-signaled foreign indeterminism.
Your worst-case for an overreaching autocrat today looks less like Saddam Hussein and more like Assad. That encourages dice rolling.