Well, I mean, is he asking for your advice? If not, I really don't see a point in bringing it up, unless maybe you have the type of friendship where you occasio

Well, I mean, is he asking for your advice? If not, I really don't see a point in bringing it up, unless maybe you have the type of friendship where you occasionally exchange quips, you might be able to hint at the idea that you're not cool with it. I think the most I'd ever say to a friend in such a situation is: "hey, are you sure you're comfortable with what they do?", phrasing it so that you're genuinely looking out for his best interest.