It's quite frustrating for me and those like me who aren't unable to understand the deepness and actual complexity of these arguments. I'm completely sure that you and Andy are right, but I can see why you are close friends too and why you do sound alike when explaining.
Sometimes, being able to simplify and communicate a complex item in order to allow comprehension by unexpert people is rewarding and most of all, it can be done, for sure.
This concept, wich is not criticism by any means, reminds me of everyday working moments of mine. My daytime job is medical doctor and research, and just about always I'm asked to explain very complex arguments and implications to the common people, sometimes to those who did not study at all, unable to write etc.
Given the paramount importance to these informations, I simply cannot simply answer " it just depends" even if many times it just depends if we pretend to embrace the full spectrum of unknown possibilities . I know I can do better, and the vast majority of times the patient fully understands what is important fir him. Will I ge chairbound? Will
I die in a month? It just depends is not a proper answer in my world. Maybe they will not comprehend the techy or biological reasons for that, but they understand what he or she needs to know.