It might seem silly... but that's likely because you understand them better than most. He is talking about a real human problem - we see a thing (or person) do

It might seem silly... but that's likely because you understand them better than most. He is talking about a real human problem - we see a thing (or person) do X well, and assume it's the result of some very general capability. With humans we tend to call it "halo effect". People are seeing LLMs to some insanely good stuff but don't know how they work and assume all kinds of stuff. It's an "AI halo effect".