Peter writes of the false teachers. His description of them continues for several verses in which their corruption becomes evident. Peter writes such words as, irrational, ignorant, blots, blemishes, eyes full of adultery, insatiable for sin, trained in greed, accursed.
Dr. Mitchell relates how they have abandoned the Word of God and gone in the way of Balaam. He goes on to explain how this prophet loved the wages of unrighteousness. He prophesied the things of God for material gain. This is the commercialization of spiritual things, those of God, and of of Christ.