Chien'd have a problem with that, but he'd put up with it if he had to for survival. Plus, his bro (loosely using this term) Mewtwo uses telepathy to communicate with those around him and Chien's had his share of that on a few occasions.

A loose explanation of it's advantages oughta get him to be co-operative. Not that he likes the fact he knows none of the people in this group.