It'd be so funny if he got deported
And after watching the full thing I think this Humble Water Filter Merchant guy is an idiot, they're meant to be having a debate and he just starts screaming at Piers, who, quite calmly puts his points across which are pretty good points.
Oh and this Jones guy didn't know hardly any of the answers to the questions piers asked him, he just completely changed the point and avoided answering them by screaming at Piers. Like Icy said, he was behaving like a child.