The author of the tweet that inspired the post lives in Japan, and as a first generation Taiwanese American and occasional traveler to Asia one consistent observation is that it's much more common to eat out than cook than here in the US. Kitchens are tiny in most stereotypical "big Asian cities" and eating out is cheap and options plentiful.

Point is this trend has been the case in Asia for a long time, and the only reason why I don't think it's really the case in the West is because the cost of operating a restaurant or even food truck is high enough that the cost of eating out isn't as economical as it is in Asia.