It seems to be related to some advertising push from a partner named Alfonso that is gathering information cross-platform anything that appears on your screen and pushing advertising to you during playback.
Hopefully not, but that’s what it looks like from early reading.
Pihole block list for TVs: https://raw.githubusercontent.com/Perflyst/PiHoleBlocklist/master/SmartTV.txt
If your router supports blocking, you can just do it manually one by one and see when things break.