It's about responsibility. Democrats belive the state has a reponsibility to take care of every aspect of your life, including your protection.
God forbid should you have a gun and be able to protect your own life or that of your family. To the Democrats (the statists), that is the responsibility of the state.
“The duty of a patriot is to protect his country from its government.” - Thomas Paine
Obamacare - Because grandma is shovel ready.