Defense doesn't mean as much as the metrics suggest, then or now. It is not worthless, certainly, but if Dan Uggla OBPs .360 with 30 homers, as long as he is an adequate defender, he's an excellent second baseman. The idea of paying Gerardo Parra $20m is absurd, but that's what the WARmongers would have you do.
The Bethancourt/Molina comparison leaves me absolutely cold. I don't see it. Bethancourt can't hit and isn't going to. He's a real good catch and throw guy just like Henry Blanco and a thousand others. Gattis is a leader and a gamechanger. He's a horse, flat out.
There ought to be a way to categorize a guy who not only has a tool, but is in the top 5%. In addition to being an excellent hitter, Gattis has light tower power. That one tool should get credit for two tools.