About 10 years ago, my favorite fix gear shop had a new tire that looked ti be a good winter (non-ice) tire. Sturdy. Good grip. I bought a pair and put them on my winter fix gear and liked them a lot. A few weeks later the shop owner told me he was no longer carrying them and had sent his un-sold tires back.

Why? Answer - the brakeless crowd was suffering muscle pull and other injuries trying to stop! So this tire, the only thing on their bike that could slow it, was too good! They needed slippery tires with poor stopping ability so they didn't hurt themselves. That stayed our quiet joke for years. Tires too good for their intended purpose. "For operator safety, we only install poor brakes."

Ben