Are liberals REALLY against racism?

Racism has lost its meaning. Racism is clear. It's roots are fear and hate. This said, I reject not being able to openly appreciate and "respect" each others differences. Political correctness is another way of neutering society toward mediocrity. As for the liberals, objectively, I have found liberals to be the most intolerant of others "if" others do not openly appreciate their view. The second you challenge a liberal on their view, you are labeled "intolerant"...or some other derogatory term. All in all, I think folks are generally biased in their own ways. I appreciate the differences. Accept one another, but don't think you are obligated to someone's differences. That would be somewhat dysfunctional.