I agree with Mithrandylan -- there's a difference between a Rock Star and a Missionary.
If you've ever met him in person, you know what kind of true missionary he is. He's very human and approachable. He's not a hypocrite, that's for sure. He's very down-to-earth.
Fr. Pfeiffer truly believes he's doing the right thing. He's certainly of good will, whatever his flaws might be.
He's full of missionary zeal and energy. At least he's putting it to action, and doing the best he can with what he has -- again, according to the lights he's received. He's not God, and can't be expected to be perfectly omniscient.
Someone pointed out (rightly) that Fr. Pfeiffer WANTS other priests to join the resistance so that he'll have less to do. That doesn't sound like a narcissistic rock star to me. He just wants to see the Church in as good a condition as possible. He realizes there is only so much he can do alone.