Hate definitely has a heart. It has a core where it's evil resides.
Can you imagine such a thought process that leads one to believe that all red cars are the best and that all green cards should be destroyed, and because they are the best that only red cards can park near the front entrance.
First, John 315 says that anyone who hates is a murderer. He seeks to spread his own and to kill and destroy all others. There is no other intent of a disease like any disease, hate is a murderer. It is pathological.
It has a diseased heart that is deceived by superiority, superficiality and systematised M it affects every part of the body replacing rational, compassionate thought with evil, treacherous unrighteousness.