Feeling able to seek help, to admit mistakes, to speak up when something is wrong in the workplace, is less a reflection of the person doing the speaking and more of a reflection of whether their working environment enables them to feel safe to speak.
This is what we call Psychological Safety.
Ask yourself this - if one of your team members screwed up, would they feel confident that they could let you know, without fear of repercussions? Now dial-up the magnitude of the screw-up.