Genuine question: what kind of updates would a dumb TV possibly need?
My LG OLED has received updates to support TrueHD audio, add new color settings like Technicolor modes, UI functions like the ability to apply your customized picture settings to all inputs, and changes to the motion smoothing for certain video formats.
"Here's why your Samsung Blu-ray player bricked itself: It downloaded an XML config file that broke the firmware":
https://www.theregister.com/2020/07/18/samsung_bluray_mass_d...
But you're right, I was just saying everything with software has a reason for updates, though not a good one sometimes.