I thought I read in these forums that they changed that recently? Of course that doesn't help people that had used it previously.
Yeah, I highly doubt it would revert the change, as it has no real way of knowing if WAN access was deliberately enabled by the end-user, or automatically by the application.
It's a shame, because overall I thought Asus' mobile app looked pretty good when I tried it out around when it originally launched. If they can sort out these types of issues, people should be good.