> Pretend you’re a disembodied soul and can end up absolutely anywhere in the world, and in any body. Now what if you’re the one with a debilitating disease, or you’re the parent to the child with one, and you’re too poor to access this service.

Then you're in the same situation that you would be in if the service had never been created. The presumption that no lives should be improved unless all lives are improved strikes me as vapid. Ridding the world of opportunity is not a good solution to the problem of opportunity hoarding.