In the writing example, something that seems inconsequential like right-to-left or left-to-right, does have real implications. Since most people are right-handed, writing right-to-left means they develop writing styles to keep from smearing the ink. In left-to-right writing, it is unnecessary. The consequence is that the minority left-handed people are just taught a mirror of right-handed writing, making left handedness much more of a burden in a left-to-right writing culture.