How does that make sense? So you'd learn it if it was bad at teaching? Do you apply the same principle with humans and not bother to learn if the teacher is good?

> Do you apply the same principle with humans and not bother to learn if the teacher is good

Yes, if my teacher could split into a million of themselves and compete against me on the job market at $200/mo.

Your teacher can't operate in millions of locations at once for super cheap