You see those four hard coded buttons on your Roku remote that are shortcuts to streaming services? They went to the highest bidder. You see that non removable banner ad on the right side of your Home Screen? You see the advertisement for the Game of Thrones prequel right in your menu?
Roku is the worse offender. Yes we have multiple Roku TVs and I recommend them to almost anyone because they are cheap, Roku has the best SmartTV operating system, support for every streaming service comes to it first, and it has a long history of updating its software. But, the two TVs I use most frequently also have AppleTV 4Ks attached.
I also take a Roku stick when I’m traveling because it works with captive networks that require a login. With the AppleTV I would have to configure a travel router.