>> Having a 100% failure rate up to that actual day doesn’t help.
Unless you’re a journalist, a politician, a weather forecaster, or a financial prognosticator (i.e. a member of the Professional Liar Class).
I’m sure you’ve heard it said that so-and-so “predicted twelve of the last three recessions”, and still retained their job.
Even ol’ Harold Camping got away with wrong end-o’-the-world predictions a few times, and along the way actually INCREASED the number of gullible fools who threw him money.
>> “ INCREASED the number of gullible fools who threw him money.” <<
.
That is exactly what he is doing, increasing his bank account.