@jpkarlsen Apologies if I should have started a new thread rather than piggybacking this one; I got here through Google because I was looking for someone who'd had and fixed the same problem.
'Sharing Is Caring' isn't an active NAP in my family's home world (they live in Sulani, the vet clinic they bought is in Newcrest). I don't seem to be able to switch off NAPs in non-domiciliary worlds, and switching of NPC voting didn't help (presumably because it had already been voted in). I don't have thousands of hours invested in this family so ditching this game and starting from scratch wouldn't be the end of the world, but if there's a fix I'd be really grateful if you could share it.