Because you do. You don’t need to be a rocket surgeon or a brain scientist to know where this is going. It’s not difficult.
There’s that line be the late Swedish journalist and writer, Sven Lindqvist, which he uses at the beginning of his book “Exterminate All the Brutes” –
You already know enough. So do I. It is not knowledge we lack. What is missing is the courage to understand what we know and to draw conclusions.