

Couple different layers of joke, actually.
The first is that they didn’t actually misread $12B as $128, but saying so is a cheeky reference to how B and 8 look similar.
The second is sort of an attempt at absurdist humor. Obviously $128 is not going to get you very far towards building a physical AI engineer, and that question violates our rational expectations in a way that some find humorous.



There’s some pretty obvious middle ground before making a deposit to the First National Bank of My Mattress. You could find a different bank that doesn’t use those captchas, or even do all your banking in person.