Why are many languages case sensitive?

Question

Why are many languages case sensitive?

Is it simply a matter of inheritance? C++ is case-sensitive because C is, Java is case-sensitive because C++ is, etc.? Or is t

Answer 1

MyClass myClass; would be impossible with case-insensitive compiler.

Or you could be smart and actually use 2 different words... that better show what you are actually trying to do, like:

MyClass myCarDesign;

Duh.