Just where in the constitution is the authority for Medicare/caid ?
As for the failed VA, you should do your homework before post, so as to avoid looking like simple minded Democrat.
http://www.cbsnews.com/news/john-mccain-administration-has-failed-to-fix-va-health-care-problems/

No government guns ?
 You try refusing to fork over the cash, your property when the government demands it, you will be paid a visit from Obama's Brown shirts,  they will have guns, & the authority to murder you if you resist their armed robbery.
 So far as your " no man is a island" rant, 
of course all people, when interacting with other people will effect them to a degree.
 But so long as I do not infringe on their rights to life, liberty, property, & pursuit of happiness, I should be left free, left alone to pursue my vision of happiness.
 That is not anarchy, that is respecting human, & minority rights.