When Nietzsche praises egoism it is always in an aggressive or polemical way, against the virtues, against the virtue of disinterestedness (Z III "Of the three evil things"). But in fact egoism is a bad interpretation of the will, just as atomism is a bad interpretation of force. In order for there to be egoism it is necessary for there to be an ego.
Gilles DeleuzeA leftist government doesn't exist because being on the left has nothing to do with governments.
Gilles Deleuze