Firefox found a way to keep ad-blockers working with Manifest V3
theverge.com
theverge.com
Rather than keeping a separate device on the network, having to keep it updated, it was also unstable on a rpi when I tried a couple of years ago.
I guess my TV shows YouTube ads, but that's kinda it. Netflix, HBO, Disney+ do not have ads and my LGTV Web OS seems Ad free in the menus without me doing anything.