We can easily see the demarcation by reading reader comments to the many articles published about Mr. Robertson.
So have fun loving or hating Mr. Robertson's comments but remember, you are not standing in a neutral model-independent position looking in. You are standing smack dab in the middle of your own model of reality, values and all.
This might be a good time to recall Pope Francis' question, "who am I to judge?"
Robert De Filippis