: I do not understand your point. If you are an expert on this subject, then you know that more than one point of view is possible. I added a sentence so that readers could learn more about the difference between the views. If you are an expert, then you probably know of a better reference on the subject than the one I put in. If so, please add your reference and propose your clarifications.  
 : You say, "either physical objects shrink or they don't." Well, they do for one observer and not for another. Maybe you prefer to think of it as a geometrical or a physical effect, I cannot tell from your comments.