The speaker gives the hypothetical that a vision-and-tactile world model could achieve 100× the data efficiency of a vision-only model.

“because you're missing critical aspects of the world like sound like touch right so i think what where we could be wrong is like okay i have the best world model on vision vision-based world model but tomorrow someone else comes out with a vision plus tactile world model that's just like a hundred x more data efficient just because you know vision is a very”