Geddy smug?

Forgive, I'm sick, probably a little delirious because I did reply to the tv, but on the rock music subreddit some guy is saying Geddy is smug. I commented that I've loved Rush since 1978 and have never thought this, he seems humble and down to earth.

So the guy replied 'his singing voice scones that he's full of himself'.

Like what? What does that even mean? If you don't like Geddy's voice that's fine, just say that.

So have I been mistaken all these years? WTF is this guy on about? How do you sing smug or full of yourself?