I also don't see the issue with it. You can have a uniform style in your project, regardless of dependencies you use. And what's the flipside? People want to use more than one identifier named the same thing only with different case?

Is that really desirable? I posit that if you have a codebase that breaks if fooBar and foobar refer to the same variable, it's already broken!

Like a lot of others in this thread hearing case insensitivity and _ insensitivity (what?) made me gag a little bit. Your explanation for why opened my mind a little bit.

Most languages seem to have a convention that all practitioners follow, which is ideal I think, but this might be second best.