That is all correct, it is FINE if you ONLY want voice commands.
I don’t have my own speakers OTHER than complete google minis currently I would like to replace… About 69% of 252 voters of this forum responded they expect their voice assistant to play music.
So we would need to purchase speakers… or it would be nice if there was a variant of this device with a equivalent speaker to a google mini / alexa dot / home pod mini.