For God doth know that in the day ye eat thereof, then your eyes shall be opened, and ye shall be as gods, knowing good and evil.
Ignoring the will of the Supreme Being, the human decides himself what is true to him and what is false to him. He becomes as the omniscient god. The false god, with false omniscience.
There are many "false gods" in the Psychiatric Clinics. The patient believes, what his fantasies and convictions are the objective reality (because any nonsense a "false god" thinks, is the false Reality), and he insults his sane doctors.
The sinner does not believe in own divinity for the same reason: he could be the false god. A god can do and can think what ever He wants: the opinion of a god is the objective reality... as the delusion of this false god.
ABOUT THE HELL:
Prior to Creation there was no time. Nobody can expect such craziness as a sin, because the crazy satan (the possessed joker in the Batman movies) is the author of any sin (so, the sinners are under the copyright terms). So, the Creator has created the Universe without any plan to create the hell.