If it only gets 3 years of support you can always unplug the TV from a network after 3 years and use it with a Roku or Fire Stick or whatever. Plus I'd imagine

If it only gets 3 years of support you can always unplug the TV from a network after 3 years and use it with a Roku or Fire Stick or whatever. Plus I'd imagine if you stick with mainstream apps you'll probably be okay even without security updates though of course there's no guarantee.