The use case for case insensitive file names is all of history has never cared about what case the letters are in for a folder with someone's name or a folder with an address or a folder for a project name.
Use case for case insensitive file names is literally all of history. All of it.
If you just want to do things for the sake of doing things so you can say you've done things, even though absolutely nothing materially changed. Typical you.
Don't trust anyone who can't spell 'oops'.