Earlier quoted context omitted.
I have read the memo, and this seems like an accurate summary. It's phrased in words that sound reasonable, but the ideas aren't reasoned, and it's a particularly common trick to use reasonable words to express unreasoned ideas to fool those who only skim a text.
See, that's kind of the problem right there. You define the ideas to be "unreasoned", and therefore any presentation of those ideas is unacceptable, no matter how stated. Can you state why you find the ideas unreasonable, without some variant of "all right-thinking people know", and without misrepresenting the ideas?
The trouble with avoiding "all right-thinking people know" is that I have no idea how to find a solid citation for the claim that, say, software engineering is at least as much about people as things. It's a thing you will find anyone senior who's good at their job to agree with. Would you accept books by experienced software engineers as evidence of this point?
Once you grant that point, much of the argument falls apart, as it's clear he's arguing about very junior-level coding and not software engineering as a whole.