The problems with your premise are (1) you can't be absolutely sure these characters who would supposedly have lied were real and (2) other people have died for religions you don't believe in. Your claim about the apostles works just as for Joseph Smith (founder of the Mormons) as it does for the apostles, and we know he lived.
By the way, yes, Nos is known for acerbic remarks, little content, and fallacies.