> they are scanning the wii for the HAXX code...so i was informed
That's one of those inconsistencies. Wait a few days and the truth may appear (in the mean time people will go crazy with speculation)

FWIW/FYI: Here's one article you may have seen - concise (and some of the comments are interesting). Don't know if it is accurate or not. The latest theory is they only ban true cheaters...
http://hackmii.com/2009/03/nintendo-wfc-ban-rumors/