I think Neymar took those decisions himself. He stepped up and demanded it.
Oh but it doesn't work like that...
Have a close look at Messi's first penalty: the close camera clearly shows that his eyes are continuously on the ball, kicks it and still follows the ball but before that he doesn't look at the goal or the keeper, at all, not for a millisecond, which clearly tells that he wants to score a strong penalty to the direction previously decided.
The keeper went to the right direction and could have saved it weren't it as strong as it was.
Thus for the second one it was a much better solution to allow another player to accomplish, who is known as the opposite type, deciding the possible latest moment where he wants to shoot. There would have been chances that Messi's second penalty wouldn't contain as much "surprise factor" as Neymar's (strange) penalties usually do. Hence it was a logical, you may say good tactical decision.
The FK was also obvious, as Messi already had two of them and from the left angle, Neymar always has more chances curling it with his right foot.
These were wise decisions and not based on "demands" as you felt it.