I'm using the shoe industry as an illustration of creating solutions to problems created by the previous solution. In the case of shoes it seems silly that MBT

I'm using the shoe industry as an illustration of creating solutions to problems created by the previous solution. In the case of shoes it seems silly that MBT shoes claim to allow you to walk "barefoot", my point is "what's wrong with your actual bare foot"? In addition to your point I, recording of sports injuries was probably unheard of before the sports industry got going.