Coming from a guy who doesn't work full time/ exclusively on Ford trucks.
The guy in the video works on Ford trucks all day, every day, and has for decades. Glad your armchair quarterback mentality overrides a very seasoned and well respected Ford technician/ Ford dealer part owner.
Beware of the comments from armchair quarterbacks that may be technically correct, but holistically flawed.
Having watched this guy for quite some time, I would transport my F350 hundreds of miles for warranty service rather than the local area Ford dealers. He is one of the most knowledable minds in the Ford truck repair business.