The point here is that he kept his hair without damaging his health, which is something that 90% of the posters here want, or at least b**ch and moan all day long that they want. But even when it's put right in front of them, they're still not happy.
He started his protocol at NW5. If you started doing this at the first signs of hair loss, you could effectively avoid it forever and keep your NW1 and there you go, hair loss solved.
The fact that you don't see that this is a big deal means you're missing the forest for the trees.