Aperson who believes in the philosophy "the end justifies the means" is manipulative and is viewed by some as being ruthless, exhibits tendencies of:

A person who believes in the philosophy "the end justifies the means" is manipulative and is viewed by some as being ruthless, exhibits tendencies of Machiavellianism. Machiavellianism is a term in psychology that refers to a person's character of being self-centered, deceiving, manipulative and coerced others into achieving one's goals. The example mentioned is showing signs of manipulation and ill intentions.

He was probably very upset and disapointed and mad. all at once. so he probably wanted to show his disapointment, angryness, and depression. he didn't think of the affects due to the minor issue thst he has gone through. sorry if it doesn't . but i am trynna people.