Because he is a Left Wing Nut. Period.
Yes, because his world view is consistent with what they believe - or at least they think so. To be honest, I’m really not sure what his world view is, but I have the impression that he wants to impress that he is ‘worldly’ and bringing the Church to modernity. The problem is that, in my opinion, he is blind to the truth about what ‘progress’ actually is, and his view of modernity is very flawed.