A man went to the pub, drunk 16 handles of beer and then went home and brutally murdered his wife and raped his daughter. Drunken violence is a serious issue.
Anti-humor is a type of indirect humor that involves the joke-teller delivering something which is deliberately not funny, or lacking in intrinsic meaning. The practice relies on the expectation on the part of the audience of something humorous, and when this does not happen, the irony itself is of comedic value.