The arm is going to blow up no matter what. When it blows up, the guy is shelved for a year. You JUST admitted the arm has a good chance to blow up and lose a year, so wouldn't you rather have that year come out of 6.8 years of control rather than 6 years of control?
Seriously, resource management is not overly complicated. So far, the only promotion they've botched is Swanson. Let's hope he remains the only one.