When posed with the question, if there were one invention you could erase from human history, what would it be-- the only erasure I could think of that would ha

When posed with the question, if there were one invention you could erase from human history, what would it be-- the only erasure I could think of that would have a wholly positive effect was dst. What other fixture of American (others too, I'm sure) life is so colossally pointless?