Oh I've seen everything. We're summer seasonals. Our site is near the dump station. Thankfully, it's not stinky at all, but I thought, what a horrible site. Au contraire! Since we're never in a hurry to leave on Sunday, we have front row seats to the dumpers and their various methods. Great entertainment.
We've witnessed everything from gloveless handling, snaking the hose through windows, kids sitting on the "curb" near the septic hole, awesome spillages, wife vs. husband battles to people drinking and filling fresh water tanks with the "poop hose".
It takes all kinds I guess, and we've given up trying to re-warn these folks what the bigger-than-life warning signs are trying to warn them about.
As host of a State park campground in Pa. we seen a boy fill his water bottle from the dump station hose. As I was telling him what the hose was used for his grandmother came. She then told him too empty that water out and get water from the fresh water station. We told her too have him get rid of that bottle, but she said it would be ok. What can you do with people like that?