Should this UK teen be banned from US for life?

Apparently a UK teenager called President Obama a p***k and is now banned for life from going to the US. Apparently, what he did qualifies as one of the 60 reasons you can be barred entry into the US. I ask the jellies here is this simply enforcing protocol or a bit of over reacting?

Eitherway, I guess if this is the case, I should expect a knock on my door any day now!