Your examples of changing weapons to be untraceable or more lethal are not apropos because these are violations of legal restrictions passed by congress into law.<p>You can not saw off a shotgun not because Browning doesn&#x27;t want you to saw it off, but because sawed off shotguns are not legal.<p>What the DMCA does is take a manufacturer&#x27;s prerogative and elevate it to the status of federal crime as soon as the manufacturer decides to create a &quot;digital rights management&quot; scheme to enforce that prerogative.