My parental settings are all correct. The kids can use YouTube and
YouTube music *everywhere* excluding the google speakers. Always with
the same message "Sorry, it looks like this account can't play videos on
YouTube." which is demonstrably untrue.
I have the same trouble!I set up my kids with supervised accounts using
the same instructions that you did. They can watch YouTube on their
tablets etc with no trouble. I pushed their accounts to the speakers and
the speakers can recognise them. When...