Couldn't have said it better. And his behavior must improve. It is getting worse. Punching fans is a new career low for him.
He should and will get punished for that. He should be professional enough to ignore the idiot.
The biggest critics i would address to Neymar is his tendancy to do some ugly fouls due to frustration like against Marquinhos at Camp Nou and the fact he doesn't release the ball faster in some positions.