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>You can't deny the fact that dog, DOG, Dog, and DoG still give you the idea of a dog.

Yes you can recognize it as a dog eventually but it requires extra effort. Why is it a good thing in programming language?

>This is the way our brains developed over millenia.

I guess you're expert in human brain so I wouldn't argue with you here.

>It is much better to create a clearer naming convention to address such issues.

And how case-sensitive languages impede that? I believe all of them have such conventions.

> I'm sorry that so many people in our industry want to make code more cryptic.

What it has to do with case-sensitive languages? I've seen FoxPro programs achieve that.

> I like Donald Knuth's idea of literate programming.

How case-sensitive languages do not fit in it from your POV ?