Maybe there is not enough people checking the new submisson page. This is logic because it takes time and competes with work to do. Though there is an incentive

Maybe there is not enough people checking the new submisson page. This is logic because it takes time and competes with work to do. Though there is an incentive to check the new submissions because chances for a comment in them to be upvoted are much higher because it gets more eye balls. This is not true when there are already 40 comments like in this thread.