Are we going to move on from the dumb "well he's just the 9th hitter" argument though? That shields him from criticism from when he stinks. When he's going well, it's easy to say that his offense is enough to be worthy of CF.
The defensive parts of WAR don't prorate the way offensive WAR does. For example, the highest DRS last year was 22. Rafaela won't go much higher than that and probably not even reach 20 TBH. He won't end up with 30 DRS. It's just not really accurate to say "he's projecting to be at X WAR at year end." It's not entirely how it works IMO.
The reason we talk about benching Rafaela is because we want Anthony on the roster. The ways to do that are: Rafaela Super UTIL, Rafaela/Duran platoon or trade somebody. The Super UTIL idea potentially works because of how awful the MIF has been this year. If you are strong in the OF and weak in the IF, but have an OFer than can play IF, moving him to the IF isn't the dumbest idea. The platoon works because both guys can play CF and have splits. People want Anthony up BECAUSE THIS TEAM HAS UNDERACHIEVED with the roster it currently has. If they keep running the same guys out there, it's not going to get much better.