It would make a lot more sense to send the has database to the device. If I wanted to block the TV from connecting I'd blacklist the Mac address on my router,

It would make a lot more sense to send the has database to the device. If I wanted to block the TV from connecting I'd blacklist the Mac address on my router, not pihole, and just unlock it to update. If they stored all my screenshots or hashes forever then I'd lose.