I wouldn't be surprised if they would be hypocritical and if Birthright trips being open to non-ethnic Jews is just to give them good PR. But I'm under the impression that the whole point of Birthright trips being offered for free to international Jews is as propaganda to try to entice them to support the state of Israel and maybe even move there or serve in the IDF. H3H3/Ethan Klein met his wife, Hila, on a Birthright trip. And apparently hooking up isn't uncommon within Birthright trips, sometimes with IDF soldiers, since IDF soldiers accompany you along the way. I've only read a few Reddit threads about Birthright trips, so I don't know much about them or the immigration system of Israel, but it seems like there could possibly be an Israeli shill to Israeli citizen pipeline, if someone were really dedicated to it. Your chances are probably the highest if you're rich/famous or work for a big tech company. But if you're wealthy or influential enough to afford living in Israel, you could have the same quality of life in the West living in a well-off gated community, so I don't know how much of an actual benefit there would be.