Intelligent life and the Fermi Paradox

[Jupiter60]

TL;DR

Is it possible that most intelligent life never leaves the "hunter gather" lifestyle?

Is it possible that most intelligent life never leaves the "hunter gather" lifestyle? Could this explain the Fermi Paradox?

 

[Filip Larsen]

There are written entire books enumerating and discussing the many possible resolutions. The Fermi paradox Wikipedia page lists up some of those, include a few that relates reasons why any extraterrestrial life may not "advance" to a stage where we can detect it. In the context of the Drakes equation, arguments of this type address the estimates of the Drake equation factor $f_c$.