It's still expensive, but now it's expensive and it's poisonous and destroys biodiversity. Monsanto products are made of science, after all. Why are you such a Luddite?
Proleslop is just sushi for reactionaries. They want to pat themselves on the back for being the brave, open-minded ones that are able to enjoy whatever abomination Monsanto decides they won't lose sleep over the human livestock eating. Anyone who shows any skepticism is just a dumb, uncultured rube. Unlike sushi, which is hardly proleslop: Rice + Vinegar makes my monkey brain happy.