I never said all actors are cattle; what I said was all actors should be treated like cattle.
To act as an arrogant asshole requires one thing: success. To be loved with this attitude you must be godlike. Hitchcock was God Hades.
His father was a greengrocer and poulterer and certainly he exposed his fruit and vegetables and poultry very beautifully. But if you want to expose actors, you cannot do like you do with fruit, vegetables and poultry. Maybe his son tried to say this.