All the nitpicking aside, this is the ‘somebody’s gotta scrub the toilets’ argument right?
The simplest answer to this I can think of is, who scrubs the toilets in your home? It’s you right?
Do you do it because you own the toilet? Not necessarily because people who live in rented accommodation still scrub the toilet. So why? It’s because you have an interest in not living in a place with a filthy toilet. Now suppose you actually had a local community, you’d have an interest in making sure nobody was living with a filthy toilet they couldn’t clean because then they might get sick and you don’t want that because you’re a nice person and you don’t like seeing your friends hurt. So you’d probably set up a communal rota, which is basically what people here in the UK already do because elder care on the NHS doesn’t exist in practice.
Sure but this was meant to be a simplistic explanation, so I simplified.