There is a really famous screenshot in Korea of an old manager telling a new hire to NOT use excel functions and do it by hand (and shortly became a meme because of its absurdity). I’ve also heard similar things had happened in Japan.
I need this screenshot.
https://learn.microsoft.com/en-us/office/troubleshoot/excel/...
To paraphrase the last sentence:
"There are appropriate tools for each tasks. Just like you don't use the knife that you use to slaughter cows to slaughter chickens. And computers are the knife to slaughter cows in this case."