"I've posted answers to SO and received lots of "well that's obviously wrong" kind of comments - it took me months to realize what was so wrong about those answ

"I've posted answers to SO and received lots of "well that's obviously wrong" kind of comments - it took me months to realize what was so wrong about those answers (why couldn't they just tell me)." So in retrospect doesn't it show you weren't qualified to answer, and that the downvoting, by lowering the visibility of your answer, is doing its job? I.e. that the system is working as intended? As for not being told why you were wrong, surely you could have asked in comments and gotten an answer.