Earlier quoted context omitted.
In these cases, it makes sense to point people to NIST Special Publication 800-63B (Digital Identity Guidelines) https://pages.nist.gov/800-63-3/sp800-63b.html — their guidelines are pretty good and eliminate much of the braindead nonsense that is considered "accepted practice in the industry".
Taken to the extreme is the US Government's TreasuryDirect website, where individuals can buy savings bonds. Instead of allowing you to type your password, they render a "virtual keyboard" that you have to use your mouse to click the keys one by one. Oh, and that password? Not case sensitive.
What, you expect them to make a case-sensitive version of NTFS just to store your password??