Hisense TVs force owners to watch intrusive ads when switching inputs, visiting the home screen, or even changing channels — practice infuriates consumers, brand denies wrongdoing

"Spot test" goes back at least one year and affects multiple markets.

Tom's Hardware
If you’re in the UK you have up to six years to return that shit as faulty.
The first mistake is letting the TV access the Internet at all. Get a dedicated streaming device or PC for entertainment and streaming.
At what point will consumers learn to stop buying all this enshitified garbage?