FWIW, we have an LG smart TV and I've never seen ads on it because our standard use case is a) turning it on and b) immediately pressing the built in Prime/Netf

FWIW, we have an LG smart TV and I've never seen ads on it because our standard use case is a) turning it on and b) immediately pressing the built in Prime/Netflix button. I barely even know what the home screen looks like.