the only good smart tv is one with no network connection. As long as the manufacturer has any control of the compute on your device they will always be pressured to abuse it to grow revenue. You need to budget 200 to 600 additional dollars for a linux box and use that
That's still not good. I recently switched from a Sceptre dumb TV to a top of the line LG OLED model, and it is sooooo slow. Everything takes forever because it's got to wait for the network connection which doesn't exist, play all its stupid animations, run the "AI" bullshit, and attempt an internet connection again.