I figure there’s a few possibilities:
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There’s a grift income here we don’t see, at least in part because we don’t live in that media bubble. So maybe all the insane blather does generate fundraising revenue from his marks. Maybe it’s actually economically rational. Or
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Maybe there’s a grift income, but it’s nowhere near enough to dig him out and he’s like someone stuck at a slot machine in Vegas who can’t seem to leave. The kind you feel sorry for when they win, because now they’ll be standing there all night losing that money, struggling against fatigue and their near-bursting bladder. Or
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This is yet another example of how sometimes, with some people, looking for rational motives is a hiding to nothing. An intellectual death-march, because there’s no there there. The man has no idea what else to do when he opens his mouth.
Probably lots more besides.
edit: clarity
