Corsi's money is the biggest mystery in all of this. The dude does not sell that many books in the big picture, which even in the best case is a hard way to make a living.
Someone on /pol or somewhere once said he was making about $95,000 a year on the wnd.com payroll years ago, back when he wrote a story once or twice a week. Must have been a decent gig, but not going to pay for retirement. He no longer seems to be employed there anyway.
This dude is not wealthy. It's a conundrum why he decides to pick a fight with a board full of shitposters and autists. Seems like an unforced error for someone who needs to build a fan base, not an enemy army, in order to put bread on his table.