observation: Contador used a compact on the Zoncolan or the Passo Fedaia or something, when was that anyway?

conclusion: He uses a compact throughout the entire Giro (false)


observation: Sastre used a compact on one of the climbs in the Tour

conclusion: Sastre won the tour on a compact (false, have a look at the many bikes he rode in the tour, especially the time trial and sprinters' stages)

observation: I cannot spin out a gear large enough to need anything bigger than a ___________

conclusion: Everyone else should do as I do, and anyone who needs a larger gear is either delusional or a "cat 1" or "pro" (false, attributing specific traits to meaningless numbers)

observation: I heard somewhere that big gear climbing is bad for your knees

conclusion: Everyone's knees will go bad if they climb with big gears (false, impossible to verify)

shall I continue?