I didn't mention it earlier, but it is also morally okay to slaughter cats for meat and leather too. Kill any non-humans animals as you like.
In fact, I think the best way to solve the stray pet problem is to just convert them to meat and leather. It will keep our streets safe while boosting the economy!
@xianc78 brilliant idea, as if people never fucked up the ecosystem by eradicating a particular animal only for birds or vermin then to consume everything and then some more because their natural predators disappeared