I took a look at the video and could sense the joking. I'm about half deaf and couldn't follow all of it but I think the biggest problem is I didn't understand enough of what he was talking about by either background or accent to get the jokes.
I watched another YouTube of his greatest hits kind of thing. Some of his best lines, apparently, were delivered in a Parliament mostly deserted. It reminds me of the US Congress and Senate where politicians read things into the record while the legislative audience is small and probably nobody is actually listening.
So there is a new British leader
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