Courage and bravery are almost universally seen as insanity when they are first laid eyes upon, like the 18 year old boy who charges a hill under withering fire while his comrades piss in the trench. He acquires what a coward will never acquire.
Mock him all you wish.
If Lakin honestly felt he could not serve under Obama then the principled stand would be to resign his commission. I'm not mocking the man. But I'm not going to have any sympathy for him either.