You remember how kids tried to parody other kids back in grade school? Since they had no impressionist or comedic skills, it was basically a string of "Look at me! I'm Billy! This is how Billy walks! This is how Billy eats Cheetos! This is Billy farting!" That's what these last several years of plot-free "spoofs" with bottom-scraping jokes are like.
And, based on Michael Pfleger and the kind of response he received, there will always be adults with diminished mental capacities who will pay to go see them.