The fat cells that are are removed are gone forever. And with stomach stapling he would eat less. I'm a nurse and I've seen many people who have had each procedure.
I'm not entirely serious when I say he should have had these things done, but if he had, yes he would be much smaller right now.
And I agree with you that he has bigger problems that he needs to deal with, and I really don't care if he makes the C's or not.