If there were an economic incentive, they would create a robotic hand that writes in cursive or printing. It could randomly make the letters flawed to give that "human effect." As AI progresses, tricking, influencing, frightening humans will become child's play for an advanced AI. The initial clumsy AI has been getting more amore nuanced with each passing year. For better or for worse, it is just over the horizon. Unlike many, I am unable to predict with certainty whether we are going to Utopia or hell on earth. Only time will tell.