1. Those stupid enough to do so are put on a list maintained by the government.
2. Those that do not pose a problem: the gun-grabbers have to assume everyone is a potential non-compliant citizen.
3. The government will try going after high profile anti-gun control opponents and use them for show trials and intimidation. It will not work.
4. The government will start cordoning off areas and doing raids. Everyone will be abused by the government thugs — innocent as well as guilty.
5. This process converts many who were fence sitters or pro-control into anti-gun control resisters.
6. Ham handed raids, coupled with the murder of resisters will provoke a backlash of the oppressed citizenry.
7. Governments rule through citizen apathy and intimidation. When the government becomes the enemy of its citizens, its days are numbered. There are never enough government thugs with guns to oppose a people determined to end a tyranny.
8. For those who actively support the government's actions against its own people — their friends, neighbors, or relatives — payback is not pleasant. Note what happened to Tory sympathizers after the British lost the American Revolutionary War. As far as the government enforcers go, their safety from an angry populace is just about nil.