we did 'caveat emptor'. we created the FDA because it was awful for everyone.
no customer individually has the capacity or resources to figure out which of a hundred companies are the ones selling adulterated foods or simply lying about medicines working and throwing narcotics in all of them.
I don't know if you're trolling or if you just don't care about anyone and would happily see millions poisoned for the sake of profits for liars and cheats.