Additionally, in a multi-person household adding things to a shopping list should take any authentication. Not everybody has an iDevice or needs to have an iDevice - my petsitter, babysitter, maid and random family members should be able to add stuff to the shopping list just because they are in the room with the homePod. On Alexa, it works - but we have to deal with all the advertisements for crappy AliExpress junk. As soon as Apple figures out shopping lists for whoever is in the room, I'll be dropping all my Alexa devices.