It's harmful to recruit cult members.
Jack, while high on many different drugs, believed that he saw God, who took the form of a talking walrus.
Jack wants to share his spiritual experience with others.
Jack begins attending substance use support groups, so he doesn't end up having crazy hallucinations again.
Jack begins attending grief support groups, so he can find people who are vulnerable to his message about the afterlife.
Jack kicks his drug habit and becomes a very successful chef.
Jack builds a thriving cult before eventually being taken down by the BATF.