Not only should you not do it, but J2O pretty much disallows giving anyone points for who they are. If you want to be positive with a new user, do so in the review - people appreciate being told that they are good for being new. If they get a really awful rating the next time they upload something, they will be more discouraged than if they got one the first time but got positive comments. You don't rate the person, you rate the work.

~ Traft