Hate is based on emotion and hating evil is really hating ignorance. But don't waste emotions on ignorance because what happens then may just be invoking dualism in your head. A paradoxal state of mind, so to speak.
A paradox is often easily broken by realizing that it is a parallell without a bridge of understanding.
So hating evil makes you good as long as you do not devote your life to it. THAT would be a waste of time.
Ignorance is the bane of society. Help me! Help you!
Hold on, Tom Cruise is at my door. Sextiemz, perhaps?