I know as far as the ideals or political thought far left and far right are different. I guess I am thinking more in line that people on either extreme can become radicalized and land on "the ends justify the means." So while the far left may say oppression is bad, if they become radicalized they may end up doing oppressive things to those that are not of the same political thought. If someone on the far right is radicalized and already believed in oppression then they just go full force on it. Just a thought.