I think it's not so much the fact that developers praised Angular, but rather this same above mentioned proliferation of frameworks - with so many choices, at some point it becomes paradoxically more likely that people will follow the herd instead of picking each his own framework (if I may oversimplify to make the point clearer) with the risks that entails (possibility of bad choice, of support ending while you still need it...). Nobody's gonna get fired for betting on a big name like Google.