I don't know the man named at all but have heard of him. His reputation is still safe in my book.
Drama people can sometimes get moody or maybe there was a creative dispute...and maybe there's not.
True, if what you say is true, it should not have been said... but it's hardly anything newsworthy.
Drama people often have 'drama'. It doesn't make certain things right...but sometimes drama people can have their disputes and then be fine later.
I never got into Drama, but I sometimes found people in that area harder to work with...especially when a drama person has perfectionist qualities about themselves as well.
This is all basically irrelevant to the topic except to say one thing ----
Don't put too much stock in one isolated comment that you hear.