I've always attributed it to the scary chemical sounding name "Monosodium Glutamate" There's that common joke "Di-hydrogenoxide, a little will kill you can and

I've always attributed it to the scary chemical sounding name "Monosodium Glutamate" There's that common joke "Di-hydrogenoxide, a little will kill you can and it's in nearly everything. Babies die from it. Why isn't the government doing something about it!" etc and it's always generally easy to convince some people because of the scary sounding name. No racism required