How come Joan Mir gets to skip the Moto2?

I guess there aren't any rules regarding when or how you get to transfer to the next level, but skipping an entire class all together?
Especially when you consider how many issues the riders have starting in a higher class...

I guess there aren't any rules regarding when or how you get to transfer to the next level, but skipping an entire class all together?Especially when you consider how many issues the riders have starting in a higher class... http://ifttt.com/images/no_image_card.png