I think “permanent” just means they were not deferred, in this context.
If the births happened next year it would still be an 8k reduction in this year, but not a permanent one.
If the births happened next year it would still be an 8k reduction in this year, but not a permanent one.
I get they are talking about in particular year and perhaps want to emphasize the births aren’t simply delayed but the way it’s phrased is off putting