Not everyone's going to be following the same train of thought as you in this, so they may well come to the conclusion that Peter's right. It really doesn't make it very clear at all that he's manipulated/wrong. He's clearly snapped by the end, but that can easily be interpreted as his having broken under the weight of The Truth and decided to do something about it.
Are... are people assuming Peter was right ? Because, um, seriously: he's crazy, he's being heavily manipulated, and he is wrong in almost every particular. Please, tell me I'm misunderstanding you,... more