OK, fine. If you have lots of relevant experience, then write a counter-argument that's more substantial than "selection bias!"
I'm sure we'd all like to read a comment that outlined some specific, well-thought-out points of disagreement with Sam's arguments.
I see mostly opinions, not arguments. An argument is generally what follows if you ask someone "why?".
OK, fine. If you have lots of relevant experience, then write a counter-argument that's more substantial than "selection bias!"
I'm sure we'd all like to read a comment that outlined some specific, well-thought-out points of disagreement with Sam's arguments.