One should traverse the flowchart carefully, or it will come to nought.
The following people have an advantage for this puzzle: astronomers, opticians, board game players, comic readers, Australians, and people who work for Disney. They could probably do it twice as quickly.
Each element of each set has a binary choice at each junction, and a unique path. Each new word almost belongs to the set, too, just to shake things up a bit at the end.