I don't see any reason to give them legitimacy by posting their hatred of all things 'not liberal' here...
They had no original purpose other than to create a political platform for Julian Bond.
The SPLC was founded in 1971 - after all the milestones of the Civil Rights movement were historical facts. They were basically a liberal think tank in the beginning.
They didn't file their first anti-Klan lawsuit until 1979 when Dees and Levin realized how much money there was to be made in tort law.