Even if this worked perfectly, ignoring the fact that it's clearly setup for the camera to recognise certain things and is in no way a genuine demonstration, what is the point of this? By the time it's even responded to his first "Hey meta" he could have typed "korean steak sauce recipe" into his search engine of choice and got back several dozen decent results in seconds.
What is the problem that these LLMs and chatbots are the solution for? It's like they're all desperately trying to market some fancy new type of barely functioning legs to everyone when we already have legs, and arms, and cars, and bicycles.