For the same reason we had a toilet paper shortage: there are two legal "types" of the thing and legally you can't "cross the streams". Not without the exact s

For the same reason we had a toilet paper shortage: there are two legal "types" of the thing and legally you can't "cross the streams". Not without the exact same people complaining to make it housing crying bloody hell about the difference. These are also the NIMBYs who block EVERYTHING in SF Bay Area.