The reason why big-government busybodies of all parties hate and fear the Second Amendment is clear enough. Nothing else in our laws stands as starkly against the idea of an all powerful state. Since they want the government to be all in all (it is a form of worship) they hate the idea that the consent of the governed might someday be withdrawn, and by people with the means to make it stick.
Ah well. Old news. Really, really old news:
Both oligarch and tyrant mistrust the people, and therefore deprive them of their arms.
That is all. Continue to discuss among yourselves...