Many have pointed out that it's a recruiting effort, which it is. But it's also an easy way to get rid of people who don't work out. If it's clear an intern is

Many have pointed out that it's a recruiting effort, which it is. But it's also an easy way to get rid of people who don't work out. If it's clear an intern is not performing well or not cut out, it's easier to weed them out as an intern at the end of the summer, than firing them later on.