From what I've observed, factory restore settings will delete ticketdb, errorlogs, profiles etc. Try to debug yourself (do factory restore, shutdown the system straight away and look at SYSTEM/save folder for more details). This method of the OP will delete everything even more.
The best bet is to do factory restore settings in offline mode (officially supported) before using this method.
People keep telling others about other logs, the ones other than 80000000000000D1 log, please point out the culprit of the mist.
This helps to clean the nand up for those who didn't have any nand backup before. Don't believe then just shouldn't care about and keep self banning because there's no other choices.