Because selling an unwanted cat to anyone for £30 might not be what's best for the cat. If they couldn't care for the cat anymore the best thing they could have done would be work with an animal shelter to rehome the cat.
I'll mix mayo with pretty much anything. It'll mostly work. Although I tried making garlic mayo by mixing mayo and some garlic paste: that was way too garlicy.
Personally, I think "no gen ai music" would be well-enough understood as a rule to exclude AI generated songs but not music where AI has been used as a novel tool as part of the production process.
Alternatively, you could hold off on adding a rule like that and leave upvotes/downvotes as the method for evaluating posts with gen ai music. If this community starts to get inundated with low quality posts you could then revisit enforcing a rule?
These kind of companies in that era didn't do New Year's Eve parties. So not, not really.