Conversation so far:
Who is Raphael Geminiani for Jacques Anquetil?
Raphaël Géminiani had been Anquetil's rival as a rider; he became his strongest asset as his manager
Are there any other interesting aspects about the Jacques Anquetil article besides the Géminiani rivalry?
Anquetil unfailingly beat Raymond Poulidor in the Tour and yet Poulidor remained more popular.
Why did Raymond Poulidor remain more popular after being beat by Jacques Anquetil?
Divisions between their fans became marked, which two sociologists studying the impact of the Tour on French society say became emblematic of France old and new.

Question: Why does it have such an effect?
Self-contained rewrite: Why does the Tour have such an effect on French society creating division between fans of Jacques Anquetil and Raymond Poulidor?