That's why I play DotA 😎

(Yes, this is a cry for help)

He didn't spend half of the meme writing about the hours spent on forums trying to get each game to work.

The comparison to modern travel is a bit off though... The vast, VAST, majority of humanity would never travel further than a few villages over in their entire lifetime. The 'mixing' of cultures isn't nearly as pronounced as you're suggesting. Consider that even medieval "France" was made up of over 6 distinct cultures with often different languages.

Except In this specific case, it's about measurements for tools. Fractional is far more practical for construction than decimal for tooling.

Except WTF is the next size up or down from 15/64??!!!

There's lots of great reasons to switch to metric. Inability to do basic fractions isn't one of them...

For the record, it would be 16/64, or, 1/4