It may be an advantage to learn shorthand, as many do , and takethe notes verbatim, but there really is no necessity for taking entire lectures ; in fact lectures may be a disadvantage because they make morework to be gone over.
Notice the advice for shorthand here in 1910. When was it a dead technology for students? Certainly by the 1980s when it was less frequently taught in schools.
Even with the ability to do shorthand and get things verbatim, he suggests against it for the sheer volume of material to go over.
Link to/compare with: - https://hypothes.is/a/gqSGbpVaEe2pmiuwPwm8Vw from 1892