I'll add constructive criticism too, with some zing. All the resolution in the world can't compensate for the object being barely in frame.
Sig had that dust cover rubbing problem mentioned on a lot of their customer reviews for some Tacops models.
There's been a few updates to the story. The ATF case was dismissed without prejudice, meaning it can come back.
Also Big Daddy Unlimited copied the trigger with or without a trigger return spring and there's a patent infringement case about that.