There's a long record here of being wrong. There's a good reason for it. There are probably multiple reasons. Certainly proliferation is a hard thing to track, particularly in countries that deny easy and free access and don't have free and open societies. ↗
I don't think there's anything wrong with a hot dog or other convenience foods, as long as they're balanced with fresh vegetables. It's hard to ignore 95 percent of the grocery store. ↗