Was he asking you directly if you thought he could make pro? Then no, I think your honest opinion is the right answer.

If this was just unsolicited parental advice then yes, jerky thing to say. He will figure it out soon enough, right? 16 is when recruiters start looking and if he doesn’t get attention then he should know, I don’t think it’s the kind of thing you have to point out.

My kid who was a good - not - great athlete leveraged it for a good high school career and a scholarship to help with college, and an alright college sports career, there’s no reason to squash him down, if he enjoys the sport it can still be good for his life.