No, they're not. There are Apple-published UI guidelines, there are decades of User Interface research, and there are time-motion studies to back what I'm saying.
FWIW, I've been paid thousands of dollars as an outside consultant to just look at an app provide my initial feedback. If it were just whimsical, subjective musings, I can assure that would not be the case.
FWIW, I've been paid thousands of dollars as an outside consultant to just look at an app provide my initial feedback. If it were just whimsical, subjective musings, I can assure that would not be the case.