Please understand that I am not saying 'ignore the text'. My only basis for saying that would be if I thought the text were wrong and I don't. What I do think is that what it says doesn't cover every situation and that I (and others) have seen protein hazes from Maris Otter (that's the cultivar that always comes up). It's entirely possible that there may be an explanation for this which is consistent with what's in the text.
Now that said there are errors in that book. I don't know what any of them are but I know they are there because there always are some. That's what the little 'errata' slips that come in lots of textbooks are there for. These are the things that keep authors from sleeping at night. Most are small and easy to spot if you are familiar with the material but if you are familiar with the material why are you reading the book?
I don't think this really needs any more research. Some malts will throw a haze and some won't. Further modification should fix the 'problem' otherwise do a protein rest. For most of us that isn't a big deal but remember that a mega wants the beer out the door at minimum cost, labor and capital expense. If they can skip one of the rests they can make more money.
I did also point out that it seems contradictory that a rest that supposedly does nothing to proteins is also thought to destroy the proteins responsible for head formation.
... I was just trying to give you a hard time (and use hyperbole to do it) and point out the humor in the thread which appeared to put you on the opposite side ...
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