"OTOH, professor talking with a student is a good way to assess the academic performance of the student, but there are some caveats beyond costs" Why not have

"OTOH, professor talking with a student is a good way to assess the academic performance of the student, but there are some caveats beyond costs" Why not have the testing done externally, by really neutral persons? But AIs and especially LLMs are way too unreliable for the foreseeable future.