I'm probably one of the biggest cat lovers you'll ever meet, but I don't see a problem with this. It's his yard, so he has the right to decide who hangs out the

I'm probably one of the biggest cat lovers you'll ever meet, but I don't see a problem with this. It's his yard, so he has the right to decide who hangs out there, and a lawn sprinker is a relatively humane (yet effective) deterrent.