They’re really locked down now because of people removing their spyware. Encrypted hardware, signed software.

If someone can do it I’d appreciate it, but it won’t be easy. Their whole business is spying on you.

I’m doing headphones … the cheapish Chinese white box ones….

I was hoping someone would do color printers inkjet and laser.

You can do this with a DNS gateway in your home running on something like a Raspberry Pi. Check out AdGuard

Super easy: don't give them a network and use a dedicated STB that's kept patched instead. Ta-done.