This is so in character for Musk and shocking because he's incompetent across so many topics he likes to give his opinion on. Crazy he would nerf the model of his AI company like that.
The linked post comes to the conclusion that Groks behavior is probably not intentional.
Whether this instance was a coincidence or not, i can not comment on. But as to your other point, i can comment that the incidents happening in south africa are very serious and need international attention