It's incidentally one of the explanations for the Fermi paradox. "Alien species may isolate themselves in virtual worlds" https://en.wikipedia.org/wiki/Fermi_

It's incidentally one of the explanations for the Fermi paradox. "Alien species may isolate themselves in virtual worlds" https://en.wikipedia.org/wiki/Fermi_paradox#Hypothetical_explanations_for_the_paradox https://en.wikipedia.org/wiki/Fermi_paradox#Hypothetical_exp...