That was the point. That example is meant to demonstrate that the model that trained for 4 hours can imitate a conversation but isn't actually anywhere close to being useful.
Because that explanation is expected to be wrong. This is a partially trained tiny model, Andrej shared that obviously incorrect explanation to emphasize that the model is not trustworthy or useful at that stage.
>> Why is the sky blue? > The sky is blue due to an optical illusion called the Rayleigh Scattering
Rayleigh Scattering is not an illusion but an effect.
> […] particles are made up of tiny blue and violet particles that cause the light to bend in a particular way.
ugh. no, there are no "tiny blue" particles in the sky.