Only if we're talking about phones. My computer, work laptop, steamdeck, and my monitor all have audio out via 3.5mm jack.
I have a speaker set and a pair of headphones, and I can mix and match when and where I want to use them, which is great.
I hope removal of headphone jacks stays limited to phones (and reverses course eventually)
Reading their page gave me a good laugh. Didn't know about this before, and I'm glad to have learned about its existence