How come rappers are seeming really satanic now n days?

lil b makes these scaray songs that freak me out like the one called im da devil .. than i was watching kanye west videos n i didnt even understand most of it just seen evil stuff like fallen angels .. jay z got me scared to even listin to his music or beyonce's music .. and this new guy tyler the creator is really spooky ... whats wrong with the rappers ???? i wish uncle luke was still makin music lol atleast i wasnt scared of his music.... can someone explain to me why music seems so satanic with the lyris n videos ???