As an individual buyer that doesn't have any bots or other mechanisms for ordering huge quanitities, I actually really appreciate this. Google forms is not a good tool for limiting how much people can order, so there are bound to be some of these problems. People buying more than 50 should just start their own reselling business (I saw that a bit tongue in cheek, realizing there's a lot of overhead involved, but some of us just want to buy 1 or 2 and we're happy at that rate, but can't because of the damn bot buyers!)