Annoying people who 'rescue' dogs.

I love dogs. However, I am terribly annoyed by the following scenario (which I encounter a lot)...

I am either at the dog park or I see a person walking a dog. I say to that person “What a nice dog. What breed is it?”. The person will proudly reply, “We’re not sure, we rescued it a few months back. They think it’s a mix between X and Y”.

I am convinced that these ‘dog rescuers’ care more about letting people know that they rescue dogs than they do about the dogs they rescue.

This really bothers me a LOT. It is really annoying. What’s the deal with these people?

P.S. I think it’s great that people rescue dogs, just don’t like them announcing it all across town all day long.