I understand that a lot of people feel the way that you do. I have to disagree about the quality of his humanity - I feel that Michael was a very good person who started out his life with a heart that was just way too big for this world.
Of course, our perspectives may come from a disagreement on whether or not he was guilty of the crimes he was accused of. I personally don't believe that he was - but no one but Michael and his accusers can ever know the truth.
Michael was known for giving both is money and his time. The list you can find here it very long.
http://www.jacksonaction.com/?page=charity.htm
As for what Michael was doing to his face and his body and some of the "weirdness" that made people so uncomfortable in the last decade or so.. I believe it was just the sign of his mental illness. Yes, Michael had issues. I can't imagine any human being living under the pressure of being Michael Jackson and not simply cracking apart. That's what happened to him. Very few "child stars" escape this unfortunate outcome. My personal opinion is that Michael spent much of his life trying to regain what his missed as a child.
His talent was absolutely immeasureable. His impact on the culture of the late 20th century was enormous. He helped a lot of people in his life (more than any of us could probably ever hope to). And for some of us there was and always will be a pedestal reserved for Michael. I attended a local memorial event in my city last week and the number of people there was shocking. I saw SO many people I knew there and everyone was dancing and smiling and remembering the positive impact he had on our lives. As I told someone there - it's great to be "allowed" to love Michael again. It's just so sad that it has to be at this cost.
So maybe that's what is happening.
All of us that have been closet MJ fans since we were driven into hiding are taking this time to celebrate his life, rejoice in his legacy and remember how Michael made us feel.
I think it's so sad that he's gone, but I think it's absolutely wonderful that he will continue to bring joy to people for generations to come.