Earlier quoted context omitted.
I thought this was common knowledge, but I looked for a citation and couldn’t find one. https://www.seattletimes.com/business/dupont-to-pick-up-wher... suggests that roundup-ready soy seeds are viable. So perhaps they rely solely on IP for protection.
I think if you drill down on many (all?) anti-GMO arguments you will find the evidence for them really isn't there. It's remarkable how the whole ideological edifice is built on nothing.
I'm sincerely curious why this seems so far fetched to you. If I were the CEO of a company having the option to nudge my researchers into this, I probably would, seen from a ethics-detached point of view.
By the way, I'm not anti-GMO; in fact I think it's the only way to sustain the whole of humanity until we've passed the next great filter. Still I don't buy into that line of thought.