By casting aside the insistence of previous courts on parody or similar direct commentary on the original work, the appellate court found itself in the unenviable position of making aesthetic judgements from the bench.
Saying that someone’s heart pumps Kool-Aid is a way of saying that they lack heart — that they’re weak or cowardly. Calling someone sweet implies that they’re gay or soft. Bubba “Benchpress” Jones is basically questioning Elton’s masculinity in this passage.