Dishes would be the worst, though having a dishwasher it becomes emptying it. Still almost dishes.
But leaving anything in the sink is just making your life more difficult and the dishes doubly so. Your sink will be useless because there's things in it and washing anything means you have to dig out all the slimy dishes from the sink.
Sinks and corridors and doorways need to be kept clear at all times, otherwise they become unusable.