That's not incompatible.
New nobility was naturally staunch bonapartists.
But at the same time, it demonstrated that old order, where being of "ancienne extraction" was more important than competence, was a fallacy : how could one invoke his title, ancient or band new, when numerous others could get one by sheer merit ?
Thus, the pretend of aristocracy to be "naturally", "by blood" in charge of managing the society crumbled.
Louis XVIII tried a counter-trick: by distributing profusedly Legion of Honour, but Ordre de Saint-Louis only to the happy few, he tried to diminish the value of the Legion. But he could do nothing to restore the idea that a social group had the privilege to command the others.
So yes, Napoleon created a political group in his own interest. But at the same time according to new principles which were, for the time, "revolutionary".