Currently I use firetv stick but I hate the ads. I only use it to launch arte, jellyfin and smarttube so it’s OK. But if I would have children it would be very bad because it’s filled with shiny trash everywhere. I wouldn’t want my kids (or anyone) to see that stuff.
I am looking forward to plasma bigscreen in june but I can’t add more value to it right now than donating to kde. Is there something else? I’ve got a Samsung TV which is on the same level of badness as firetv. It could be worse but it’s far from good as well
Apple’s TVOS has zero ads and is very simple, but it’s also Apple.
My other choice would be a good Android TV box on an NVIDIA Shield or something since you can use third party youtube launchers and third party apps. I haven’t personally used it though so YMMV.