I put it to you that a high proportion of his fellow Mathcamp attendees went on to actually get a degree in Math, rather than dropping out, and that he is therefore about 10 steps behind them. Thousands of people get Math degrees every year.

A sea level is not the same as the sea level rise.

It is technically true to say that rocks falling into the sea cause the sea level to rise. It isn’t true to say that they cause the sea level rise.