It's very diseased, this concept of sinlessness, moreso for a Christian, who should realize God's holiness. As pointed out before, the most arrogant, type A, pagan and secular beast wouldn't claim they're perfect, though a legend in their own mind. It's wholly insane, or trolling, which is still insane, sociopathic. Some of the statements made would be clinical mental illness, delusions of grandeur.