Its most like the immune system to protect the important parts of society.. Unfortunately it's turned into one of those autoimmune systems (over active and attacks your own body by mistake)
"...whenever any Form of Government becomes destructive of these ends (protect the important parts of society), it is the Right of the People to alter or to abolish it, and to institute new Government, laying its foundation on such principles and organizing its powers in such form, as to them shall seem most likely to effect their Safety and Happiness." - from the preamble of The Declaration of Independence