[Teledhil]

I'm using pihole and blocking Google DNS and yet my tv was showing that awful banner. I think google serves the ads using some not-only-ads domain.

[murph-almighty]

It could be that you haven't added the domain they're served from onto your blacklist.

A weird side story: I had a situation where an app on my Roku TV would crash if it failed to serve an add from a blocked domain (there were several but they mostly pointed to google ad domains). I actually _had_ to allow ads from the domains they called.

[Spare_account]

Presumably Google devices will just resolve DNS queries through a tunnel, if you block 8.8.8.8