It is obvious to anyone who has tasted real hummus that the supermarket varieties are generally, shockingly bad. So what? Supermarket varieties of anything are not generally up to much. Although I have a sneaking regard for Sainsbury's Tadka Dahl - even then I have to add extra garlic - so actually easier to cook from scratch - I digress.
I think the fella needs to be concentrating more on cultural destruction rather than appropriation.
A strange hill to choose to die on.