Nobody is going to seriously discuss moneymaking tips from 1880, right? …right?
Is the advice from The Richest Man in Babylon , published in 1926, out of date? * https://en.wikipedia.org/wiki/The_Richest_Man_in_Babylon Avoiding greed, envy, the hedonic treadmill, etc , will never not be good advice.
https://en.wikipedia.org/wiki/Ishida_Baigan
Two civilizations re-deriving the same short list from scratch is about the strongest version of your point — "outdated" just isn't the right axis for it.