In the echoing halls of social media, a phenomenon has taken root; the rise of the "Armchair Olympians," individuals who, armed with little more than a smartphone and a burning desire to voice their opinions, have inserted themselves into the realm of elite athletic competition.  As the world's most talented sportsmen and women take center stage, these self-appointed experts, who have no firsthand experience in the sports, often volunteer unhelpful commentary that frustrates and disillusions…