Yes, says Ailz, but he used his charity work as a cover- just as Savile did. It made him look good and it gave him access to potential victims.
My father-in-law was a Mason. If you challenged him about Masonic skullduggery he'd say, "Yes, but the Masons do a lot for charity."
As Dr Johnson almost said- and might have said if he were around today, "Charity is the last refuge of a scoundrel."