Falconry DOES benefit raptors prior to release

See here:   http://www.bioone.org/doi/abs/10.1647/1082-6742(2006)20%5B15:FLAADF%5D2.0.CO%3B2

The Return of the Peregrine, 1978

BTW:  The people featured are all falconers, practicing falconry to this day.

https://www.youtube.com/watch?v=kju3Pz3R9D8

The Return of the Peregrine, 1978

BTW:  Every single one of the people featured in this episode are FALCONERS and still practice falconry to this day.  https://www.youtube.com/watch?v=kju3Pz3R9D8