Replying to The necessity of gnarliness?

Do terrain parks really need a gnarly factor? I was just watching the new episode of the weak and I noticed that there were closeouts and even a rail with little knobs on the top that you have to hop over or you will probably eat shit. When do you draw the line between making funner/more challenging features and just making shit that is designed to fuck people up? Just kind of irks me when a terrain park sets up something like that when they could put something funner and less dangerous up that more than three people will hit.