The whole things screams "fake!"
IF however it IS genuine then I believe this guy will be in very deep pooh. It is one of the hallowed traditions of this mob that they NEVER react to provocation by tourists and bystanders and will ignore whatever is done in the way of jeering, catcalling, mimickery and posing photos being taken.
As for you lot advocating that he should have murdered the nerd, get a life you saddos..................