What if people just don't answer the same questions over and over? Old answers can be linked, but the whole point of allowing repetition is to get fresh answers

What if people just don't answer the same questions over and over? Old answers can be linked, but the whole point of allowing repetition is to get fresh answers, ideally from new people. People going insane repeating themselves is a separate issue that can be solved in much better ways than prohibiting duplicate questions.