Because it's a rap musical performed by an exclusively black ensemble about the most famous bunch of rich white guys in America's history.
And the music is good.
Character sheets are worth little. Do not look at them as some standard by which you must measure yourself. Anyone can hammer out a bunch of crap into a sheet to give the illusion of depth.
A character is successful if everyone (including you) has fun playing with him. A character has depth if...
He was a young, gay, angsty teen who was simultaneously a master inventor. It seemed like he always had some stupid gadget for every scenario, in a world that didn't really have technology as advanced as what he carried around in his satchel.
But the worst part was that we wouldn't even play...