You can't compare C++ with Ruby code. Rails code especially can very easily become a hairball where everything happens "somewhere else". You don't have static t

You can't compare C++ with Ruby code. Rails code especially can very easily become a hairball where everything happens "somewhere else". You don't have static type checking or other compile time hints to figure out what is going on. You can't see which functions are called from which call sites. Refactoring tools? Forget it. Ruby is a very compact and flexible language, but if you're not disciplined you'll pay the price for it. A 60kloc C++ project is small and easily manageable, a 60kloc Ruby hairball can drive a person insane.