Re: Good reason not to upgrade
Sure if we see an ad in an unexpected place at an unexpected time we have the opportunity to get mad and boycott.
But in general that's not how ads work, they're everywhere, in real life and on media and they'll put images in your mind you don't even notice. Next time you shop for something and have a choice between two similarly priced brands there's a non-zero chance you'll chose the one you saw in an ad, not because you remember the ad but because you somehow have a good feeling about it. Research shows we're helpless against this. Ads works.
Only thing we can do is to get Netflix, cancel TV and use ad blockers. I saw a debate the other day on a friend's TV and between the ads and the two politicians being infantile ignorant nincompoops I realized how much I enjoy life without cable.
BTW: Some Smart TVs now bypass your local DNS, to avoid DNS based blocking so they can still send back collected data (whether they show ads or not). Maybe some day they'll even come with their own 5G radio to bypass your network.