Why did the Squid Games movie become so popular? Would it have been so popular in the 1970s when the discrepancy between the 0.1% and the median were at the lows of the cycle? What is its memetic value and how something becomes viral? 

Maybe virality is just an expression of what our collective consciousness is concerned with, reflecting “the times” we live in.

Entrepreneur, traveller and lifelong learner.

Absolutely, the success of Squid Game reflects the current societal concerns and values. Virality often mirrors the zeitgeist of the era.