Even many TVs with "reputable" western brand names, on the shelf at major US retailers, are often sold at a loss on the hardware and the difference is made up by collecting advertising data.
https://www.broadbandtvnews.com/2024/11/18/tv-companies-sell...
> you just have to look at the finances of Vizio or Roku to see they’re selling TVs at somewhere between -3 and -7% margin