Yes, I am studying to be a witness, but at the same time I am allowed by the faith to have my own opinions.
LOL... bullshit... he is allowed to express his own opinions as a study, but he will definitely need to conform eventually in order to progress to baptism. Critical thinking & disagreeing with the org after baptism would lead to him being disfellowshipped & shunned. Would love to see the look on his face when that happens!