Sacks: I'd be just as worried with any dog running wild. Chihuahuas have been some of the most vicious dogs I know. However, with my physical limitations, I'd have a harder time getting between a rottweiler and my kids than a chihuahua and my kids.
It's 100% who owns it, and the fact that they don't seem to give a rat's ass either way.
But if it makes you feel better, talk some shit about my cats