any tendency, in any individual, organization, or denomination to equate Heaven with earth leads to totalitarianism.
I don't think that's correct: the description of Heaven and Earth in the end of Revelation makes it clear that [at the end] God dwells with humans on Earth and as New Jerusalem is on Earth, and Heaven is [almost by definition] where God dwells — then it's safe to say that there literally will be Heaven on Earth.
They sure hold onto all that gold at the vatican
Exactly. Ludwig von Mises, the great liberal (now called classical liberal or libertarian) identified socialism as a form of Christian heresy. It’s goal was to create heaven on earth.