"Brand loyalty" will have them attack anyone trying to warn them. Coincidence that the most well-known and advertized brands now have the lowest quality "ingredients"? High fructose corn syrup, glutens… and people wonder why they're always sick, and have become hypochondriacs!
Yes. Conformity, collectivism … stir in good doses of OP Mockingbird, end up with mindless zombies just looking for "likes" online.