ahhh but allah also says if you see something wrong, stop it by taking action, if you cant stop it by taking action stop it by voice, i.e. by speaking up, and if you cant do that then think that it is bad and that is the weakest sign of imaan.
Just thought that since we are using Gods words for a stance, to have the benefit of some other ones.
the concealing portion that you noted is regarding gossiping and spreading a la mohallay ki buaa to the entire community, it is not about telling parents about their kids or brother about brother etc with an intention to help stop some wrong.
but what do I know