


So, in the end, he's not necessarily evil due to his ambition, but rather because of the selfish and cruel lengths he's willing to go to in order to free himself. However, it's eventually revealed that obtaining power in the Citadel was simply a means to an end for his true plan, which was simply to escape the influence of all Ricks once and for all and to be free.

Rick warns the main Morty that a "cocky Morty can lead to a lot of problems", and Evil Morty's vicious murder-spree during his quest for power seemingly confirms these sentiments.
