So what's stopping you from going in any random cancer ward in the country and quantum heal some poor people?
The same things that are stopping him from buying food for his parents even though he believes they are going to be starving.
Laziness. Selfishness.
Not to brag, but I think mine's worst.
On the one hand doing so would be within dank's self-proclaimed "current job", where he's supposed to save people.
On the other, doing so just once under supervised settings would pretty much instantly get him get him worldwide fame as the supernatural being he claims he is and he'd be in a position to voice his philosophy about economics and peace.
What we have here is a messiah that would rather stay at home, get high and make shitty music.