I was against them for that reason too. BUT, we got a killer deal on him. He has his shots, de-wormed, and AKC registered....price $350. I couldn't pass it up.
My step-dad had 2 of them. One of them we got as a pup and I was sure we got a rot by looking at him lol. Those dogs are great and the reason why I love little dogs now. One thing for sure is that they do love to protect their owner since ours sometimes would snap at people if they try to get close to my step-dad.