We've seen it over and over again.
Kid has a chance at a foul ball or souvenir at a game, stupid adult takes it from kid and looks like a jerk.
Here is just the latest example
Don't be that guy. Don't EVER be that guy. Brutal.... pic.twitter.com/gsg1tmhUqZ— CJ Nitkowski (@CJNitkowski) March 18, 2017