No, Wizkid is wrong about hiphop and Khaligraph does not embrace the fact that rap is dead. The two artists have different opinions about hiphop and rap music and neither one is wrong. Wizkid may think that the genre has gone in a new direction and Khaligraph may think that the genre is still alive and thriving. Ultimately, it is up to the individual to decide which opinion they embrace.
No, Wizkid is not right about hip hop. Hip hop is alive and well, as evidenced by the continued success of both old and new rappers, as well as its influence on popular culture. Khaligraph should not embrace that rap is dead, since it is not.