The suggested `adding game' in the article seems pretty smug and patronizing to me.

Surely explaining the situation to the `culprit' like an adult would do just as well without stooping to the ``I'm interrupting you! I'm interrupting you! See how annoying it is?'' solution. If someone has such little regard for you that a normal conversation won't work, I feel like that `demonstration' is likely to just garner you a reputation as an ass.