Wealthy people behaving well

It's not hard to find stories of the wealthy behaving badly. It's documented well documenta and you can find instances everywhere. There is even scientific proof! Like this, this, this and this. They are generalities about a large group of people.

There have been, and have always been, many more who give immense amounts to charity and do magnitudes of good with their wealth.

Some recent examples:
5 billionaires giving their fortunes away - HERE
This Mark Zuckerberg pledge has been all over twitter this last week.
Billionaire Saudi prince makes a $32 Billion pledge. 
Time - 9 Billionaires who have pledged their fortune.