I agree, because we have such limited time in life that we cannot afford to master / perfect every single thing we do. That would probably take too much time and we end up getting nothing done.
Mastering one thing in life is sufficient for me. I'm pretty much in the "good enough" camp when it comes to things other than my work. Well, maybe also sharpening blades, as a passionate hobby, I'm trying to master as well, haha.