It does scale of course. The one example you mention is couples. Perhaps men prefer one candidate over women and pressure their wives to vote a certain way. How

It does scale of course. The one example you mention is couples. Perhaps men prefer one candidate over women and pressure their wives to vote a certain way. How is that not scaling? Another example is unions. Perhaps the union and many colleagues prefer one candidate - if you sneak off to the voting booth you risk ostracization.