Lazs are you realy the cantankerous old git you come across as? You're the kind of guy who'd argue black was white just for the hell of it aren't you. Think you're sussed mate.
Cats? Crap all over your garden just like dogs but more devious, they bury it!. Bring dead dismembered creatures into the house in some bizarre idea that you'll be pleased with them!
Kill virtualy anything bigger than an insect that dares come to your garden, yet will not protect your property from unwanted interest of the Human kind, Have no connection to their owner other than free food and bed to kip on. Leave hairballs, fluff everywhere. Lull you into thinking their freindly only to decide your arm hand whatever is prey and savage the crap out of it.
Vermin only good for killing mice and providing entertainment for Dogs!