Is bitterness a mental illness? Read here.
1. The more prevalent philosophical naturalism becomes as a worldview, the more libertarian free will becomes epiphenomenal.
2. The more epiphenomenal libertarian free will is, the less responsible are persons for their actions since epiphenomena have no causal efficacy.
What do we do with mentally ill persons who commit a crime? "People once known as loving, normal individuals who suddenly snap and kill their family and themselves may have post-traumatic embitterment syndrome. That's reason enough for researchers to study how to treat the destructive emotion of bitterness." (Back to here.)