Because Software is inherently complex, one of the most complex things that Humans can try and make. And whenever we successfully make something easier, we push

Because Software is inherently complex, one of the most complex things that Humans can try and make. And whenever we successfully make something easier, we push the borders out so that Software is always stretching to the limits of the complexity we can handle. Ultimately, its just hard. Sometimes methodologies help, but there is No Silver Bullet.