Re: "Hide and Q" is still an amazing episode!!
A good comparison is the comic book character Superman. He easily could have taken over the world if he wasn't a good guy at heart. "Worship me, or I'll turn my heat vision on you."
He also isn't human.
"...the most elementary and valuable statement in science, the beginning of wisdom, is I do not know." - Lt. Commander Data, "Where Silence Has Lease"