I don't agree with what you say in this post, in two respects:Yeah, generally you have to have some sort of superficial "I agree" and usually in software licenses using the software is a "de-facto" agreement (with court support, at least under US Law). So if you create something under One D&D's OGL you are de-facto agreeing that anything you made under 1.0 or 1.0A has been replaced with 1.1. This means that if, say, Paizo published ONE adventure for One D&D under OGL 1.1 then they just handed ALL of Pathfinder and Starfinder over to Wizards with a perpetual, irrevocable license to do whatever they want. Hence, the "Gotcha." Wizards could, in turn, post a 30-day notice revoking all usage on their website and still reprint anything Paizo made consequence and repercussion free. Although that might get a little tricky with trademark law and it's still a bit of a mess but in theory it could happen.
First, I think it is highly unlikely that WotC will offer to license the revised SRD on terms that would make all the IP of parties to the new licence (v 11), who are also parties to the existing OGL (v 1.0/1.0a), available to WotC via a royalty-free licence. Of course, as far as the OGC published by Paizo is concerned, WotC already has the opportunity of publishing as much of that as they like under the existing OGL.
Second - and this is moving further from my fields of expertise, but is still something on which I have a modest intuition - I would expect that there is a plausible argument, in US contract and licensing law, that if WotC were to exercise a power of at-will revocation so as to deprive (say) Paizo of the benefits of any licence, then WotC would simultaneously lose its rights to an in-perpetuity royatly-free licence to Paizo's work. Or to put it another way, I doubt that the only tenable construction of the licence terms would be that one party is able to revoke at will while retaining the full benefit, in perpetuity, of the contractual promise made by the other party. (I am not saying that this is knock-down in any sense, only that I would expect there to be a plausible argument here. Of course everything will turn on the details of the drafting of the OGL v 1.1.)