It seems to me he is neglecting a huge part of the equation. He is talking about two things "bodybuilding to gain mass, then powerlifting to gain strength" or "Powerlifting to build strength, then bodybuilding to build mass".

It is possible to do both, I dont see a reason why they need to be separated, depending on goals of course. In my personal experience the strong i am, the bigger I have gotten, but it doesn't necessarily happen in proportion. I know this is just me, and that doesn't reflect everyone, but my question is this:

If you believe bodybuilders dont need to increase their weights to get bigger, your saying that intensity alone is responsible for hypertrophy?

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I don't do this for my family, my friends, women, accolades, pride, or ego. I do it for me and no one else, its just part of who I am.