It is still not unreasonable to believe that such systems exist, and those systems will become more prevalent over time. An EtherNet/IP-controlled servo drive with an HTTP configuration page installed in 2008 will likely still be running in 2028.

> All kinds of things can change or be deprecated.

That's cute. If you truly believe a simple declaration of deprecation will stop the use of something, I have some oceanfront property in Afghanistan to sell you.