More on Peter Boghossian's Controversial Tweet

Being published in the philosophy of Russell's teapot (or the Flying Spaghetti Monster or the Invisible Pink Unicorn, or Elves, Trolls or Faries) should disqualify one from sitting at the adult table.
How is this? What is the difference between this "tweet" and Peter Boghossian's controversial tweet? Okay, sure, Christians will not like it, but Peter isn't writing for them. Let's discuss this.