Its not just cookies. If you tell an LG TV that you live in Europe it will ask you if you want to turn of these “intelligent features“(ACR)

in fact, cookies legible to anything except the single sandboxed webpage running on your local browser would be illegal and thus never exist to begin with

I like it, but we'd need to find a new way to do auth (and then prevent that from being used for non-auth-related tracking)