What is the argument?

 The argument about design is - in the end- about what a person is and whether they exist or not.

The most fundamental place where this argument takes place it with regards to origins. This is not the only place where it is important however.

Everyone involved in the argument knows that this argument has the largest possible consequences all down the line.

This is not merely a dry as dust academic puzzle.

This is not a place where anyone can be objective and without personal interest.

It is about the most basic foundations of your whole way of life and thought.

Everything is at stake here for everyone. There are no disinterested parties here.