I watched and agree - they're not attuned at all. If he had the ability he'd tell them 'no you bloody idiots!! I'm sounding out!'OK. Why aren't they getting it. Oh wait,maybe because they want to LIE again for the gram narrative. He's not saying love you daddy you pillocks. He's trying to sound out the bleeping letter on her necklace. "A L for daddy"... "aaaaa " etc and going through the letters and symbols.
But no. Stand up in front of the camera that in position and proned, obviously staged anyway to film. You don't just stand like that for an authentic true bit of family chatter you've managed to catch on camera. This is set up. But even then they've got wrong.