The Muppets (2011)

Revealing mistake: During the opening musical number, after the baker says "Life's a piece of pie" and Gary is seen grabbing a plate with a piece of pie on it and tossing it over his head, watch closely. It becomes obvious that this is a fake piece of pie that is attached to the plate. Similarly, right before that, he grabs a cake out of another baker's hand and gives it to Walter, and you can see he is pressing his fingers into the "frosting", yet he leaves no marks, nor has any frosting residue on his fingers, revealing that was also a prop.

Veronica: I'm gonna shoot straight: you guys aren't famous anymore.
Fozzie Bear: Yeesh. I wish she'd shot a little more curvy.

Trivia: Due to pacing reasons, the backstory of the villain Tex Richman had to be cut. As originally conceived, when he was a child, his parents hired the Muppets as entertainment for one of his birthdays. However, during their routine, he discovered to his horror that he simply didn't have the ability to laugh like all of the other children, making him feel different from everyone else, and causing him to become an outcast when other children began making fun of his inability to laugh. He blames the Muppets for revealing this part of his personality to the world, and causing him to be ostracized as a child. This explains why he says the words "maniacal laugh", as he simply cannot really laugh. This also would prove that the Muppets eventually "saved" him during the credits scene where Gonzo accidentally hits him with a bowling ball, causing him minor head trauma that finally makes him able to laugh.

Question: What did Richman hate about the Muppets?