I use a retractable leash if I'm just running the dogs out to go potty really fast. I don't use them on walks, for training, or at the pet store. I do not have a problem with them, but I can see how some people would.
Misty- Samoyed Mix, Tannor- Golden Retriever CGC
Robyn- GSD CGC, TC, Midnite-GSD CGC,TC, Brennan-Golden Retriever CGC, Batman-Husky/Greyhound , Apollo-GSD