Let's all just agree the man's got a very short fuse and no self control when things don't go his way. The fact is, this isn't just about someone blowing their lines during a scene, it's about giving someone respect and treating them with decency. It speaks volumes about you as a person depending on how you react in these situations.
Screaming abuses and insults at someone is childish and demeaning... in any other context you could be arrested for harassment.
Screaming abuses and insults at someone is childish and demeaning... in any other context you could be arrested for harassment.