This pair leaving likely means little more than a couple who don't need to work (for anyone) wanting to do something different. They are in a fortunate position where they can. Good for them. They should take a nice vacation.
Well, I can't speak for their wishes about the whole MS thing, but your image of them as money-grubbing traitorous "executives" is hilarious. However, I forgive you, since that's what 90% of Valley people with similar job titles would be like.