Notice that it doesn’t say they “became like God” but “as gods,” another name for Satan’s minions, who, like mankind, are following their master’s clearly stated rebellious ambition: “I will be like the most High.” Here we have the beginning of conscience [1]—it was implanted in man the moment he joined Satan’s rebellion.
Links:
[1] https://www.thebereancall.org/taxonomy/term/58/science