In those few, extremely rare cases are enough to fuck up a nation’s politics, immigration isn’t the problem.

They’re rare, but not impossible, esspecially when it comes to the involvement of powerful/rich governments, corporations or individuals. We already have enough of that, no reason to make it easier for effectively no gain.

Edit: esspecially considering that ability to chose the location your child is born in is based primarily off wealth rather than moral character or anything else positive.