They did a one-shot where someone pulled a massive distribution of wealth to a population of people, though still within the bounds of self-interest.
(Edited to the correct link)
https://www.novelcool.com/chapter/Chapter-/4274990/
Essentially, he got the deathnote, scrubbed his identity from it entirely in time, memory, and association, sold it to the United States for 10 trillion dollars, and had that money distributed to a vast amount of people in Japan. Definitely still self-interested, and could’ve been used to greater effect in helping people, but pretty dang good.
huh i am genuinely baffled as to why that was even in my clipboard anyways fixed.