Poor turkeys, yes, but he was catering to the masses who wanted it. In fairness when he started up 60 years ago there wasn't such a 'thing' about battery farmed animals. (I am free range all the way, but the point still stands)
He was a good man though, donated shedloads to good causes (like the bernard matthews olympic pool in east anglia) and was in at the start of the duke of edinburgh as well as loads of other stuff. so it is 