This follows logically from the Truthers claims that really was an inside jobby job job. The "official story" used these poor men as scapegoats or gullible patsies, of course they're innocent.
I would love to see how that resonates with the group as a whole. It would force a lot of the part time Twoofs to take a hard look at the actual consequences of what it is they're saying. I could see a schism opening up where you have the different camps divided over how to view the men. The thought of siding with Al-Qaeda might be unpalatable.
Yes, I think we've seen signs of this in the lack of twoofer support or condemnation of this move in places like here, 9/11 Blogger and the Screw Loose Change Blog.