Money is the metric some (I'd say most if not all) very competitive people choose to compare themselves to others. After school it's pretty much the only object

Money is the metric some (I'd say most if not all) very competitive people choose to compare themselves to others. After school it's pretty much the only objective metric. As tech has very high salaries even for entry-level positions those people tend to come to tech and then find their way to Hacker News.