**Duh. Possibly the recovery would cost more than the jet.**
And a damaged one at that. Maybe heavily damaged.
Even if pulling it out of the water was done free of charge, it most likely would have to be taken completely apart and completely rebuilt, numerous parts replaced. That salt water is in places it could never get before, even compared to riding on deck through a thousand storms of salt water spray.
There would be very few large pieces left after the plane impacted the water and there is almost certainly no way to repair the plane. When planes hit the water at several hundred MPH they make lots of little pieces.