The author claims that one reason people are quitting is because of terrible interview processes. This doesn't make much sense to me because if they we working

The author claims that one reason people are quitting is because of terrible interview processes. This doesn't make much sense to me because if they we working there they would necessarily have had to pass some kind of process in the first place. They also point to agism in tech -- which certainly exists and it's not great -- but suggest it applies to people as young as 30, and that's not particularly plausible. (We're not 1960s hippies anymore)