I'd really appreciate opinions on this.
At uni in halls, I share a flat with 3 others - we share a kitchen and living area. We're all first years. At the start of the year (academic) we made an agreement about flat rules basically. We wash up all dishes within 24 hours of use, and remove them from the drying rack within 24 hours of putting them there. One guy volunteered to empty the bin whenever it got full. We also agreed to clean up our mess as we made it.
It's now the time everyone (except me) has gone home for the Easter holidays. I came home from work to find the flat pretty messy. The bin was overflowing (which it was from yesterday, but not been emptied - I would have done it but the guy didn't say he had gone home, so I assumed he was still here), people had left their dishes on the rack and dirty dishes on the counter tops, plus dried up sauce on the hob. Crumbs, grated cheese and general mess were left everywhere too. This has repeatedly been my findings coming back to the flat throughout the year, so this has not been a regular thing.
I always stick to the agreement. I wash up by dishes immediately after use, and leave them to dry overnight, removing them in the morning, so they are there max 12 hours. I also clean up my mess as I go, using disinfectant cleaner every time. I hoover the hallway too. I don't think it's hard to wash up your dishes straight away or within a few hours.
I messaged our group chat to confirm if everyone had gone home, then when everyone confirmed they had gone, I sent a photo of the bin saying "thanks to whoever left this for me". I then apologised for being rude but then said that the mess was ridiculous that it had been left for me to clean up whilst everyone was at home. I'm not going home for reasons not relevant here.
Then it all went ugly, and my flatmates were saying it's not that messy and I should be able to cope with a few dirty dishes for a few days, and also that crumbs will happen, and I am making it out worse than it is.
I was brought up to believe that if you make a mess, you clean it up, not leave it for 4 days. That's not unreasonable in the slightest. Apparently having enough crumbs to make a piece of bread (seriously not exaggerating) is acceptable, and having dirty dishes going mouldy is fine.
I ended the conversation saying that it must just be my view that you clean up your mess, and that in future I will not mention it.
But was I wrong to say they should have cleaned up their mess? They're away for 3 weeks, meaning I will have to clean it up. Their responses are making me doubt my frustration, although I'm confused as to why I think I could be wrong for wanting to live in a clean flat.
TL;DR - my flatmates have gone away for Easter, leaving their mess behind. I messaged them to say they should have cleaned up, and they got annoyed at me. Was I wrong to tell them?