This is not a question of scale — even if the “chemist’s flask” were the entire Earth.
In the time of the early Earth, Airgas, the supplier from which the researchers obtained their materials, was not around.
“The analogy that comes to mind is a golfer, who having played a ball through an 18-hole course, assumed the ball could also play the course in his absence.”
Complexity (such as we see in a pile of autumn leaves) can arise spontaneously from unguided natural processes, but complex specified information cannot.
All simulations that purport to be breakthroughs in origins problems follow the same pattern.