The current Lawson's promotion requires you to buy two bowls of instant udon to get their clear file...each. That's 8 bowls for the 4 clear file types. I gave mine away.
Got carried away and couldn't finish what they made, but their past food instincts are telling them not to waste a drop.
Modern humans in the industrialized world, who are working class or higher (e.g. not the "poor" category, who eat lots of food that's not actually good in nutrition just to get enough vitamins to scrape by and thus often end up obese) in a nutshell.