Pirate adoption just helps cement thread as the winner in the IoT space. Which forces organizations in the IoT space to use thread. And they are afraid of being sued, so will follow Thread rules.
So tactically I think this actually plays against making it effectively legalized.
I wonder if that's true. I mean, think of what happened with DVD copying: Supposedly, everyone bought into a DRM-laden scheme; but it got circumvented into eventual irrelevance, will all-region readers pretty much the norm after some point.
But - it's not impossible that what you're describing is what will end up happening. Question is - is there a worthwhile alternative?
So tactically I think this actually plays against making it effectively legalized.