same thing happens in cycling all the time too. the UCI bans new equipment all the time, and the rules for what is allowed are very strict, to the point where

same thing happens in cycling all the time too. the UCI bans new equipment all the time, and the rules for what is allowed are very strict, to the point where there's a limit on sock height. there is a limited list of frames that can be used in UCI races, including the olympics but rules around the type of equipment you can use, and the race host supplying specific equipment to all riders, is a very different thing.