Popcorn ceilings, leaded gas, and other inventions that have "done more harm than good," according to Reddit

'What invention has done more harm than good?' Two days ago, redditor idc_aboutusernames posted this query to r/AskReddit. With 27,000 comments so far, the following are some of the answers ranked 'Best' or 'Top.'

'Popcorn ceiling.''Those plastic containers that are like crimp plastic stitch welded around the entire edge and it's super thick plastic that will slice your shit open.' — Read the rest