Cats are vermin and feral cats should be killed whenever possible. They are listed as the second most destructive invasive species on earth and even well fed house cats kill millions of birds every year. If I let a dog run loose and it dropped off a cat that it had torn apart on your doorstep would you think it was cute? Probably not. But people think nothing about posting of the gifts their cats bring them. Cats should be kept in the home or not at all and it should be open season on the rest.
I take it you don’t live in a rural area where rats and mice are an issue for people who keep poultry and livestock-cats keep the rodents in check-there are plenty of birds-cats will not kill them all-and raptors like redtail hawks prey on feral kittens, so...
I own and pay taxes on my 40 acres; wouldn’t advise anybody attempt to shoot our cat on our property. That’s a damned good way for someone to disappear.
My feral-born cat brought home dead rats. I was OK with that.
After being shot three or four times with a BB gun, stray cats learn to stay out of your yard