Then why are all those folks illegally crossing the US-Mexico border, and sending their children off with non-family adults for a journey of a thousand miles which involves illegally crossing into a foreign country, an act for which they could be shot elsewhere in the world, a journey whose first step is mothers giving daughters birth control pills and condoms and a hearty farewell, good luck and hope you make it?
Answer: because border jumpers want to get into the United States, not out of the United States. We can objectively say they want to get to the best rather than something worse.
Besides, the best is enemy of the good, which is a plausible motive for all the good folks who happen to be USofAphobes being secretly jealous of the New World promised land, the land of milk and honey. As Al Bundy says, "where the beer flows like wine."
Al Bundy's beer philosophy: