General, yes, but useful? You can easily get wildly different numbers by arbitrarily adding and removing steps. "Of those, 20% don't get too discouraged after

General, yes, but useful? You can easily get wildly different numbers by arbitrarily adding and removing steps. "Of those, 20% don't get too discouraged after educating themselves about the process" Now there are 320. Or combine start and finish building into simply "20% actually build something". Now it's 8000. It was clearly meant to be motivational, not something you should bet your house on.