can't see how we're not meant to be laughing AT the conjoined twins |...] This recalls freakshows

Yeah, I've seen many persons I respect for their intellectual integrity make the same point as you are and despite my initial misgivings about the motives of some of the early protests it's probably the conclusion I'm going to end up with myself. ARE we supposed to laugh and at WHAT are we supposed to laugh at is the crucial point of this.