Is there any reason not to believe that humans are so stupid and amoral that they would never support a complete overhaul of the food system which eliminates su

Is there any reason not to believe that humans are so stupid and amoral that they would never support a complete overhaul of the food system which eliminates suffering in one go? Even the moral leader Noam Chomsky has publicly stated that he just doesn't care enough about animal suffering to think about it. Probably the best animals are going to get are ad hoc reductions to their suffering which are aligned with decreased economic costs, or which target niche markets like vegans.