I didn't see the post that got them banned, if that is the case I get the ban but I didn't really understand the pile on earlier on of calling him a troll when he was expressing opinions that judging my the politicians we get, many people share
He's wholly cynical, doesn't believe in a word he's saying as anything other than a signifier of his belonging in his chosen cultural group. Notice he didn't engage with a single point - he skips, evades, misrepresents, anything but actually dig into a point in a way that suggests he has a desire to reach a new understanding.
What he wants is the discussion, to get people to engage with his "reasonable concerns on immigration" etc, which validates populist racism without a hope of converting him, or any of his ilk really.
That many share his tribal views is a problem for sure - but it won't be cured by debating charmless products like Thom, it'll be done by tackling the societal problems that created him.