I guess it's official now.
http://www.nullriver.com/home/news
NETSHARE, BANNED FROM THE APPSTORE
Looks like Apple has decided they will not be allowing any tethering applications in the AppStore. As such, NetShare will not be available in the iTunes AppStore. We are seeing a lot of similar reports from various developers who's applications were abruptly removed and banned from the AppStore without any violations of the terms of service. This is all unfortunate news for the iPhone platform end-users.
http://www.nullriver.com/home/news