Do you think he actually persuaded anyone who didn't already agree with him, though?

( Mr. Tea 'ulmmm'/'mmneurgh', Fri 31 May 2024, 23:40, archived)

I think it's entirely possible.
He's out arguing with gammons every day, by the law of averages he must have got through to a few of them.
( brb Monkhouse Stampede, Sat 1 Jun 2024, 0:20, archived)