Because really how many of them are going to stay once they find out that they won't be able to win the most prestigious award.
They find a away to get out from under te Harper Avery Foundation.
I could also see a spin off like another Private Practice with Alex. Is Alex leaving the show?
On and Kepner being pregnant was not a surprise at all. I saw that coming a mile away.
AND I said weeks ago that Yang was going to run away and marry Burke and live happily ever after. My guess is he is coming back to help her with the heart patient siblings.