Feels like this is the wrong take. It's more about "if you don't want to come back to the office, we'll find someone who will!" which I think is totally fine. It's a preference for some companies, and who's to argue?
The inverse is also true. Those who go remote suddenly open up a broader net and, without even outsourcing, have the opportunity to find folks willing to work for lower salaries.
I get the thought, but feels a bit too spooky to say "WILL HAVE NO JOBS IN LESS THAN FIVE YEARS"