I live in halls in a fairly quiet flat and rarely see my flatmates except one girl who is just acting crazy...
she made a complaint about me to management and has been leaving notes on my door etc saying among other things that I never take the bins out, never clean the kitchen, leave loads of mess, don't wipe the oven, don't buy bin bags, don't wash up etc etc etc
now I literally came home to a note about the oven being a mess today when I scrubbed it clean last night (not all my mess in the first place) and okay, my washing up from dinner is out but that is literally 1 frying pan, 1 chopping board and a plate and it's been there overnight, that's it, hardly extreme for student housing...
besides this, I have top-to-bottom cleaned the kitchen on plenty of occasions, I think I'm the only one whose changed the bin bags since about mid-October (using my own bin bags which I have told her more than once I keep in my room as the cleaners take them to other flats if you leave them out), my washing up is never left longer than 24 hours (which I know for sure because I only have one of everything so need it again the next day)... plus when we broke for christmas I cleaned out the fridge on which every shelf but mine had a load of gone off food on (some on hers went out of date in november...)
the kitchen does get a bit messy because it is used (and the cleaners often don't bother turning up) but I don't know what she expects to happen? It isn't just me who uses it, plenty of other people leave mess, including her, she's left washing up for nearly a fortnight before, she's told me herself she never cleans anything and when the floor needed mopping a few weeks ago she said she didn't even own any type of cleaner...