I get it with Ben and I hope it isn't the end of his career, but shoulders suck. I had two surgeries on mine and it still hurts ever day. Neil Hodgson's career ended because of a bad shoulder.
Hope he recovers enough to ride around in 8-10th on the Duc.
"Remember that an enduro tests the endurance of three things: your machine, your body, and your wits. Only one has to fail to keep you from reaching the finish line." Cycle World March 1966