Cranky filter (part I) -- What makes you cranky? →
(1) People on public transit who don't seem to realize that they are responsible for managing the space taken up by their giant bag or backpack, said appendage wacking hapless people repeatedly as they turn, walk, exist.
(2) People who dump a pile of trash or packing materials or some other useless pile of detritus on the side of a city street, basically saying, here, I'm making this pile of trash someone else's problem. And the sad thing is eventually it is someone else's problem, and it gets carted away.