Now whether
@pemerton is here, I have no idea, but his interpretation is surprising to me in that I never would have thought of it this way, not that it cannot be read that way
Which interpretation?
If you're talking about section 7, all I'm doing is reading the plain words of the first clause:
You - the licensee, as per section 1 - agree not to Use any Product Identity
Now Use is a defined term. It is defined to mean "use, reproduce, license, rent, lease, sell, broadcast, publicly display, transmit, otherwise distribute, copy, edit, format, modify, translate, and otherwise create Derivative Material of, Open Game Content". How does this definition apply to Product Identity? Product Identity is defined so as to "specifically exclude[] the Open Game Content" and so there is a tension in the interpretation of section 7. Maybe someone can trade on that tension to argue for confining the promise in section 7 in some fashion?
But no one has actually set out such an argument.
If this OGL thing has taught me anything, then that you cannot get lawyers to agree on anything
What disagreement have you seen? As
@Steel_Wind posted a week or two ago, there has been overwhelming agreement among the legal experts posting about this matter.