That 1% matters when you're running a large, commercial website. Look what happened to Domino's recently. Sued for having an inaccessible website. Also, refusin

That 1% matters when you're running a large, commercial website. Look what happened to Domino's recently. Sued for having an inaccessible website. Also, refusing coupon codes over the phone since a user couldn't use your website because you ignored accessibility guidelines is in completely poor taste. You want a discount? Better have vision that at least this good and fine-grained motor control necessary for mouse usage to successfully complete placing an online order.