Howdy ho Shrike
Libertarians would allow us the choice of spending our money on upgrading our own caves or having our wealth looted by the the government to squander on big magnet lined caves for highly paid scientists to quibble over esoterica in.
Why is it libertarians are so willing to use technology developed up to this point and forego the rest? Honestly, what would an island (or Rand's hidden valley) full of libertarians consist of, if they had to start from scratch?