I don't think you get it: he very specifically critised fossil fuel development...the source of his wealth. And while he might be using some of it for alt development check out how he's using it to support an extravigent life style which includes consuming more fossil fuels in one year then most individuals will in a life time.
And you do understand that the good golks of San Fran govt followed the same investment strategy as folks that don't give a crap about the environment, don't you? And you do understand that they didn't donate their fossil fuel profits to charity...or to groups fighting climate change, don't you?