The main reason for meguca life being suffering is, by far, scarcity of grief forcing them to effective cannibalism. Without it, they would more likely than not have no reason at all to collapse anything.
You and Redshirt are effectively saying equivalent of "If we feed all the people in the world, they will have more time to war, thus better starve them as long as it keeps us in control".
Premise is absurd because lack of food is the big drive behind a lot of wars, and the whole idea of letting people die to make them compliant is so amazingly evil it would fit right into CK2 campaign, along with genocide, incest, sacking of cities and the like.
Letting people starve just on the off chance of them getting, against all reasons to actually get on with their lives, unruly if they are fed, is atrocity, plain and simple.
While I would not mind playing Evil Overlord Sabrina who tells every meguca "Obey me or witch out" while dewitching witches to cut off independent supply, I somehow doubt IC Sabrina would agree with it.