Originally Posted by kjeevah
14% of the adult population of the UK and the USA (higher in some other countries, over 30% in Italy) have significant difficulty reading.
Add in the motor and other cognitive issues that these things affect and you're looking at probably around 20% of the potential audience for the game.
But this would only be relevant, if ALL of these people were gamers. Given their disability, do you really think, all of these people got into gaming in the first place?