Oh yes of course. Even Stalin, Saddam, Pol Pot and Mao must have done some good in their lives. That's beyond the point though, sometimes a single evil act can outweigh all the good things you did in life.
Which means there's a very good chance that he helped lots of people (and children especially), despite scarring a couple of kids with this unusual sexual taste.
In the end I think it's pretty obvious that his positive impact far outweighs his negative one (imo).
