Why should the government not have the right to take away unalienable rights and liberties guaranteed in the constitution?

The main reason why the government should not have the right to take away unalienable rights and liberties guaranteed in the Constitution is because if they did so the United States would likely turn into a tyrannical nation. 

Communicating with the dead was common, it wasn’t seen as bizarre or weird,” explains murch. “it’s hard to imagine that now, we look at that and think, ‘why are you opening the gates of hell? ’