Is it really that hard to believe that mechanical shifters are less reliable than electronic ones? I've lost count of the number of cables my shifters have eaten over the years. We're talking about a clockwork-like ratchet handling a cable under many pounds of tension going through many twists and turns, moving hundreds of times per ride, and very hard to access for maintenance. To me it's pretty clear that regardless of Shimano's mistakes, electronic shifting is the way forward.