To clarify, the negative impression related more to road etiquette and approachability rather than cheating, but in this case I assume the rider didn't feel able to discuss his performances and training with any coaches or fellow riders within the club.
Wow, that's the club I used to ride for.
And he's 19! How the hell do you get hold of a Doctor to do the whole rigmarole of EPO when you're just a 19yr old nobody?!