As far as I know, there is no evidence of that beyond the creator's claims. What happened to skepticism? The creator has enormous economic incentives to lie.
If he is truly putting all of his channel's revenue "back into the communities that I shoot in" (whatever that means), why wouldn't he be proudly transparent about what that means.
How much money? Where has it gone? Can anyone verify it?
I would love to be wrong about this, but as far as I know the answers are:
Nobody knows. Nobody knows. No.