I totally agree, really took me out of the movie too.
I find it funny in a world with a billionaire dressing up as a bat, the most ridiculous thing is how they commit white collar crime. I think largely it seemed to easy and also soo stupid that batman wouldn't have a diversified portfolio with things not all tied up in the stock market.
This is the same type of criticism the paper made. The real intent behind the saying is given random output (where all outputs have nonzero probability) eventually you will create anything/everything.
Its a thought experiment around infinity, probability, and art.