Or its not. Maybe he just likes the look? Maybe he has an image of himself he wants to project? Ya know those subcultures are popular for a reason.
Secondly, thats absolutely Alpha anyhow.
The idea of subcultures as group dynamics in which members share an aesthetic cohesiveness with rebellious undertones is totally stereotypical Fe+Si (And not totally unsound).
Your use of the T and F dichotomies is silly. They don't adequately described types at all.
He is not dependent on the advice of others he is just keeping an open mind and learning.