While he espoused views in line with both Xavier and Magneto when he was trying to sway Storm to his side, he has not done so since, nor has he done anything to indicate he believes either.
However, he has done plenty to indicate that he cares only about himself and maintaining his own power base. The No Prize solution is that Shinobi was just saying anything he could think of to convince Storm to join him and that in reality he, like his father and most of the Hellfire Club, doesn’t care about mutants either way so long as he comes out on top of the struggle.