Oh I think we could manage it if we had an actual reason to do so that wasn't a complete waste of money.
Things like this, we used to call ‘magic’ or ‘fantasy’.
Today it’s experimental. Tomorrow ?
Yet, despite our ‘advances’, we can’t explain (nor reproduce) the Great Pyramid or Coral Castle.
Maybe we really just have only ‘explored’ the tip of the iceberg. There may be no limit to what CAN be done.
Anyone who thinks the Egyptians built the pyramids by themselves ... well, what can I say?
I've had a description of the process up on my about page for several years now.
All you need is rope, wood, and a few primitive stone-working tools. And beer and guys, of course.