My only question is... why?, I understand pretending to be something official when you're really not at all so you can profit off the confusion, that trick is a

My only question is... why?, I understand pretending to be something official when you're really not at all so you can profit off the confusion, that trick is a dime a dozen on the internet... but zsh? Really? Surely there are more profitable ventures wearing the skin of a free shell for Unix operating system?