It shouldn't take long. Their shares are probably still caught up in the hash that people are finding. But then again, the other people may actually be related to this Organisations trying to connect via Port 6346. Blame such organisations!
(You must have a weak/sensitive connection for it to be affected like that.) BTW nobody "owns" the gnutella network! And there's many, many gnutella programs not only LimeWire. Those inquiring may have been using other gnutella programs.