Math Trolls Gone Wild (Part 2)

This is a continuation of the last dialogue I posted. Having disposed of “Briar Patch Kid” - i.e., “Briar Patch Observatory”, who evidently has a YouTube channel featuring interviews with various notables including Bernardo Kastrup of all people - we must still deal with further pseudomathematical disinformation from math troll “Martin Langhaus”, who if not for his pseudonym could easily be mistaken for Briar Patch Kid himself (and for that matter, certain other nitpicking nincompoops and pseudonymous trolling hobbyists).