That guy takes necks to the Nth degree, which is much farther than they need to be for most people. A Warmoth neck can often be installed and played right out of the box without any issue other than perhaps some truss rod adjustment, and I've done it. Their raw necks are usually better than many manufacturer's dressed necks. Of course, once you've lived with a properly finished neck, it's hard to tolerate anything less. But, I wouldn't worry about it just yet if I were you. He was going the extra mile to make that into a thorough instructional series.