Why is the 2nd Amendment always under attack by some People inside and outside of Our Government?*?

* Why are they even Questioning, and Threatening the 2nd Amendments Credibility, Integrity, Validity, Legality, Meaning, Purpose, especially since Our Forefathers and Founding Fathers made it such an important part of Our Constitution.* What part of the 2nd Amendment don't they understand or believe? " The Right To Keep and Bear Arms Shall Not Be Infringed."...If it is unacceptable and not understandable then we may as well not recognize any part of the U.S. Constitution in its Original Form and Text.* " Only a Criminal, Tyrant, or a Tyrannical Government is Afraid of the Armed American Citizen."... " Try Living Free in America Without Your Guns and Your Ammo; I Dare You."... " Live Free or Die."...Your thoughts...*