I think it's "unreasonable" in that it's difficult to argue from first principles, but it's an extremely pragmatic position. If you look at what's happened to t

I think it's "unreasonable" in that it's difficult to argue from first principles, but it's an extremely pragmatic position. If you look at what's happened to the sport and discussions around competition, records, fairness, equality of opportunity, etc etc since the Vaporfly has been introduced, at both the elite and sub-elite level, it's clear: the shoes have been a huge negative for the sport in a way that has no past parallel.