Programming shops are full of both 3x and -0.5x programmers. Many 3x programmers end up looking after a group of say four -0.5x programmers, and so after cleani

Programming shops are full of both 3x and -0.5x programmers. Many 3x programmers end up looking after a group of say four -0.5x programmers, and so after cleaning up after them they themselves come out looking like mere mortal 1x programmers (because 3 + 4 x -0.5 == 1 ).