LG uses WebOS which is not among the ones I tried. In some of the other systems the ads generally cover the upper half of the home screen, then you have the app icons below that.

This screenshot shows the home screen in Google TV and gives you an idea of what I'm talking about https://phandroid.com/wp-content/uploads/2020/10/Chromecast-...

And this screenshot is the home screen in Fire TV: https://cdn.mobilesyrup.com/wp-content/uploads/2020/09/Firet...