
Baby Driver was a very cliche story done well, in my opinion. I agree he wasn't exactly a hero, but I was ok to go along with the movie's perspective, since the minute you're rooting for him, you're just rooting for a lesser evil character anyway, even before he kills anyone.
Dunkirk just really didn't work for me on that level, because while I connected with the people on the boat (the movie really should have just been about them, in my opinion), I only thought the Tom Hardy plane stuff was "kind of cool sometimes," and the captain (or general or whatever) on the beach was the only real heart seen there, with everyone else doing the stiff upper lip thing a bit too well for me to connect to them.
I think Dunkirk is a great movie, for sure. It just didn't work for me personally because of some of the decisions it made.