It is all about where you draw a line. For example in my day job most projects require some form of dynamic loading parts of applications, which is VERY hard to

It is all about where you draw a line. For example in my day job most projects require some form of dynamic loading parts of applications, which is VERY hard to do in proper way with angular. So if you need to make prototype with some fields auto updating some values somewhere - angular learning curve is probably fine. If you need to build complex and large UI - learning curve will be extremely painful.