The article says that it is "intricate and difficult", and "has only one path leading to the center, and each junction or fork never allows you to find an alternative route, but always leads to a dead end". Unless I'm mistaken, that would make it easier, not more difficult, by guaranteeing that a hand-on-wall strategy would succeed. To defeat the strategy, at least one uninterrupted path must encircle the center of the labyrinth.