I'd think this specific remark was to discourage those who want to start a startup because it's cool. And those who really want to do it they are going to do it

I'd think this specific remark was to discourage those who want to start a startup because it's cool. And those who really want to do it they are going to do it anyway. No matter what anyone says. So, I guess, this advice works for everyone, in one way or another.