I don't see any of the 3 brick layers' point of view being inferior to another. The cathedral cannot exist without the wall and the wall cannot exist without the bricks. Sometimes people romanticize and prefer to see the cathedral, the whole, or "the greater good" as they call it; and they miss out on the importance of the brick, the part, or the individual. In reality, everything in this world is made of parts, and most things becomes completely different when only one small part is changed. You get helium, an ultra stable, non reactive gas by adding 1 proton and 1 neutron to hydrogen, an ultra non stable, highly reactive gas. Don't lose sight of the importance of the brick or the individual.

Check out Any Rand's Atlas Shrugged if you want to dive deeper into individualism. You can get a free copy of Atlas Shrugged from this site or by searching "Atlas Shrugged free" on any search engine.