The speaker suggests that building a special-purpose system may be harder because it does not emerge from developing a more general system at scale.

“a lot of gaps in understanding in what we are getting um i'm we're definitely getting more generalizable intelligence in a single entity uh whereas self-driving is a very special purpose task that requires in some sense building a special purpose task is maybe even harder in a certain sense because it doesn't like fall out from a more general thing that you're doing at scale if that makes sense so um”