The Incredibles Theory in Monsters Animation

What if I told you that the reason monsters fear children in the Monsters Inc. animation is actually because of another character in the Pixar universe. As you know, when Boo first appears in the Sushi Restaurant, all the monsters are terrified and start to run away. Just then, an interview given by a monster catches our eye. But isn't this Jack Jack in the Incredibles animation, who have different powers?