There are dogs I have played with that I do not mind at all.
But most (like 90%+) suck to play with. Always wandering through your sight, walking onto the tee, wandering off somewhere so that the owner has to spend the whole round yelling for the dog to hurry up. Overall, they are usually just annoying. Also, dogs in general just don't like me, the nicest dogs in the world will walk up to me and start growling. I can't remember how many times I have heard "Wow, he's never like this. He's usually really nice!". I think it's because I am always covered in cat fur.
Last week I was playing and a guy who was just walking his dog (without a leash) says, as the dog is running up to us, "She's kind of friendly". Kind of, huh? Well, it went ok, until another dog (on a leash) walked by and got attacked by this one. 2 holes later we heard the same thing happening to another dog on the other side of the park.