This is the same argument leftists make about the rich paying their "fair share". It's not our job to allocate his capital. He earned it.
The fact remains that he has been a tremendous help in bootstrapping a technology that may still fail. He believes in it.
If you are interested in hearing how much he cares, check out the podcast I mentioned. He acknowledges he made mistakes in the past and he explains why in detail.
I don't have anything else to add.