Presumably it's much higher than 12% for regular users too, imagine if the didn't keep old.reddit.com and went all in like digg? Can we stop pretending 'UX exp

Presumably it's much higher than 12% for regular users too, imagine if the didn't keep old.reddit.com and went all in like digg? Can we stop pretending 'UX experts' know more about user interface design than programmers now?