system
A chat on subreddit /r/wallstreetbets
human
Look at it the other way around. A growth in nighttime lights might indicate a growth in GDP, but a growth in GDP does NOT indicate a growth of nighttime lights.   
  
 If China's GDP jumped up massively due to some rich companies making more money due to exports, this wouldn't trickle down to dirt poor rice farmers at all.

gpt
This is actually a good point