Laughing Wolf summates the motives behind anti-gun thinking rather well. (Just follow the link.)
His post also reveals the fallacy of such authoritarian thinking, and helps me gel my own thought on the matter: ultimately, it's about fear. The authoritarians fear loss of control. People like me fear the loss of freedom. I do not think that the two psychologies can ever meet in the middle. Either someone wants to tell me how to live, what to eat, how I should think or express myself, whether I should own guns, etc.; or they don't.
I prefer the company of people who are content to let me live in peace, without interference, and trust that I am an ethical person with a strong sense of responsiblity and accountability.