Barefoot - What's the Big Deal?

No doubt on certain topics I am a bit of a cynic and a confirmed curmudgeon and one of those topics is barefoot running. What is the big deal? Barefoot running has been in my toolbox since I was athlete. I did not know about forefoot, rear foot, varus or valgus back in the day but I figured out quickly that if an athlete ran barefoot they ran quietly and quiet running was more efficient. One of t