I'm glad you handed him a clue. Even if he didn't seem to accept it, they do pile up over time.

Well, he'll be a crappy trainer. Hopefully his clients will quit before he actually hurts someone.

I really hope so. It's scary how much damage a bad trainer can do, especially when somebody is starting with an injury or a disability. I've had so many physical therapists who gave me damaging answers when I asked "Is it safe for me to do this?" that I won't trust any of them anymore.