oh no, it was not a simultaneous kick and punch. as you say, it would be stupid if one tries to go through such simultaneous things and try blocking them simultaneously. here the opponent first punched, he grabbed the punching hand. this caused the opponent to kick him, then, without freeing his hand, he blocked the kick, and intentionally hooked his wrist below the kicking leg to not let it go easily. then the pelvis was open to the kick, he delivered the kick. this is the sequence: