Bike fit / correct riding position

Not true either. If your position is right at the limit of what's sustainable for your body

Alone that is indicative of wrong position--- and pushing for RSI.. As a typical case in point: saddle height. Current research seems to show that positions that lead to highest performance can be suboptimal from the perspective of injury prevention. The reason that the Holmes method is so en vogue is that its widely viewed that it leads to positions that minimize injury. This, however, highlights another problem: sub-optimal positions can't be changed overnight. Its a bit like New Coke (recall that drink was the product of significant market research by Coca Cola in responce to the Pepsi Challenge and RC Cola comparisons to create a cola that most people in blind testing found "tasted best")... New Coke one should recall failed on the market since it did not taste like the old Coke.. Reintroducing the inferior tasting Coke (at first as Classic Coke) helped the company grain significant market share.. Like Coke.. people are used to what they are used to.. The body does well to adapt.. and changes.. even to the "better" can be more than problematic if not done in small steps and....