I think this just tells us author is using a method counterintuitive to what AWS would recommend, so while you may try it out that it probably isn't best practi

I think this just tells us author is using a method counterintuitive to what AWS would recommend, so while you may try it out that it probably isn't best practice and so when you screw up then you will just be left pointing to some blog as to why you chose the direction you did.