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Is TV Dead? Global TV Shipments Hit a Decade Low in 2023
(www.gizmochina.com)
This is a most excellent place for technology news and articles.
4K came out in 2012 and 8K just isn't that popular, in part due to content issues but also people's eyesight. If you don't need a new TV now, why would you buy an upgrade?
TVs are also a product that seems to last, at least on my experience.
Solved
Most smart TVs have a dumb mode. As long as you can plug in anything you want you should be fine.