There're some assumptions being made. Just because someone doesn't ask a 'silly question' it doesn't mean they know all the answers!
As I see it, those that ask the silly questions are usually pretty good at spotting the 'emperors new clothes' when they see them and aren't afraid to speak up. I personally prefer management/colleagues/trainees who ask questions, however daft, rather than keep their mouths shut and google it later!
(Excuse me if I've missed the point but these days some of the 'humour' on this forum goes right over my head!)