I don't doubt his credentials, but: "As per last time, since I don’t have an AVP, I’m using the Meta Quest Pro (MQP) and extrapolating the results to the AVP’s

I don't doubt his credentials, but: "As per last time, since I don’t have an AVP, I’m using the Meta Quest Pro (MQP) and extrapolating the results to the AVP’s resolution." For such a long and detailed argument, it's slightly odd that he's never even tried or tested the actual product he's criticizing.