Mixing case in a case sensitive environment is unnecessarily confusing and annoying.

> The file systems of Unix machines all have the same general structure. [...] Note the obsessive use of abbreviations and avoidance of capital letters; this is a system invented by people to whom repetitive stress disorder is what black lung is to miners. Long names get worn down to three-letter nubbins, like stones smoothed by a river.

-- Neal Stephenson, In the Beginning Was the Command Line (Ch. 14), 1999

https://steve-parker.org/articles/others/stephenson/oral.sht...