Then by that yahoo/youtube.com logic, family's should euthanize their crippled family members and go out to the local orphanage and rescue an abandon child that might be useful some day.
Cause, like, DUDE! People in wheel chairs make me feel uncomfortable! And my comfort is MORE IMPORTANT then their need for mobility!
Wiener dogs were bred to hunt rats and other small animals (which is why they're shaped the way they are) and are extremely good at this. Have you ever seen one of them run? They're like little legged torpedoes.