I got pretty upset once because someone took my things out of the dryer and I only stepped outside long enough to have a smoke. that was really rude, If I had left it for 30 minutes to an hour, it would be understandable, because it would have been rude on my part to hog the machine for that long.
Here is something I just did last week tho. I wash my clothes at home, and dry them at the laundromat. There was a woman who was using an entire row of seats to fold her clothes. She had her things spread over 6 seats, and there was no other place to sit. I asked her if she would move to one of the 7 available folding tables and she said she was almost finished, and refused to budge. I couldn’t believe how rude she was, looking at me, standing there on crutches, and refusing to give up a seat! She went to her car for something, so my SO and I moved her things to the table ourselves. When she came back in, I gave her a look that dared her to say something about it.