The Mythical Man Month. When it comes to software, uniformly accepting and mentoring newcomers into a project does not bring uniformly good return- and in many

The Mythical Man Month. When it comes to software, uniformly accepting and mentoring newcomers into a project does not bring uniformly good return- and in many or most cases, will result in NEGATIVE return, that is, a bad developer can cause progress to move backward, making more work for the other developers- both in working around the badness, and in time spent educating the newbie.