If you go back far enough, you won't find anyone who thought the way we do about race, so the label you're putting on Gandhi here is an anachronism and the moralism implicit in it is glib.

A more interesting place to look for Gandhi's shadow side is in the dynamics of his family, particularly his oldest son (IIRC) who lived out all the things his father hated; he became an alcoholic and, worse, a salesman.