What are you going to do with your firearms if President O’Bama gets enough senators to get his Court and gets the first 10 amendments all re-interpreted in a couple of years? He doesn’t even need to wait for some Justices to leave, with enough senators he can add Justices. He only needs to bring it up to 11 to get any thing he wants. And treaties; he only needs to sign and get ratified treaties with Venezuela or Vanuatu with provisions that nullify articles and amendments and it will all be perfectly Constitutional.
A lot of people miss that, the Constitution instructs us that ratified treaties become "the law of the land". THAT'S how things are brought in our back door. That way, as you say, everything is peachy-keen and "why, it's all according to the Constitution you see".