As stated earlier, Waco is a really good example of how a 'small' amount of resistance can bring a seemingly unstoppable force to a complete halt.
Remember the "insurgency" in Iraq? Multiply that by, oh, even just a million or so. Somebody hasn't been paying attention to the amount of firearms and ammunition purchased in the last 3 years.
Think people are just going to hand it over. I don't think so.....
It should also be noted there is a "new" influence in the debate. "Women," both literal and philosophical, have always prized security over liberty. There is no such thing as "acceptable loss" when those losses are the possession of women. As such, any action, plan, or doctrine that does not provide at least a theoretical immunity from loss from the status quo is going to meet significant opposition from that corner.