Are you are unable to distinguish between "libertarian" and Earl Warren's push to centralize power (e.g., broadening the commerce clause to trample on the rights of states and individuals), use the judiciary in an activist role, and institute such things as federally imposed racial quotas? Or are you just smearing?
Earl Warren was known as a “Great Civil Libertarian”.
Earl Warren cannot be separated from his generations long reputation of being a libertarian judge.
“The Changing of Views
Actually, Mr. Warren’s votes in the criminal cases illustrated the phenomenon of a man growing more liberal with age. He was, in succession, a crime-busting District Attorney, a law-and-order State Attorney General, a progressive Governor and a libertarian Chief Justice.”