Attempted to make a shorter version that says most of the important points:

You have already pwned the machine, what disabling history is gonna do to save someone's ass after that?

The hassle of not having a history file every day is a much bigger cost than having it on an already pwned machine, isn't it?

This is why most people don't listen to security experts, instead of educating people in a kind way and making the world more secure most of you like to just point out how bad we are.