[2:268] Satan threatens you with poverty and orders you to immorality, while Allah promises you forgiveness from Him and bounty. And Allah is all-Encompassing and Knowing.
Scarcity a factor in Evil.
Rich people Evil because the scares in life expectancy, they don't live forever.
why Iblees evil? It does not have the total freedom, ie heaven, free from Allah.
To prevent evil is with good morality and abundance of human needs. Life extension technology also a way to prevent evil.