That is the big problem of education
Students study for the test and then forget it all
Have you read a study in scarlet? The first sherlock holmes book
It says that the human mind has a limited capacity for learning and one should learn only useful things to not clutter up your own mind (basically 5S)
As science advances more knowledge is accumulated, and professors insist students learn ever increasing volumes of information, using anyiquated learning tools because "it was good enough for me", back when they had to learn a smaller volume of information
