It's a quality signal. Not all my teachers were good and the system is underfunded, but most of turn cared about the students and I'm incredibly thankful for th

It's a quality signal. Not all my teachers were good and the system is underfunded, but most of turn cared about the students and I'm incredibly thankful for the education they gave me. I trust the opinions of people teaching kids everyday a lot more than I trust the average hacker news comment.