Answer :
People do bad things or fail to stop bad things because of jealousy, revenge, no sensibility and desire to gain power.
Why do people do bad things or fail to stop bad things?
Jealousy, revenge, no sensibility and desire to gain power are the some of the factors due to which people do bad things or fail to stop bad things. People harm other people because they have bad nature. They have negative mind which force them to do bad things.
So we can conclude that people do bad things or fail to stop bad things because of jealousy, revenge, no sensibility and desire to gain power.
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