I have a feeling that update thing and bans is bullshit written by users who use layeredfs and blame it on SX OS.
I have updated all my games (backups

, and still am, since day 1, I never had any issue.
but i have not registered an account with eshop or online play yet.
I emailed Team Xecuter about it and they told me they are investigating further before making a statement, but that they also never had an issue and also suspect incomplete testimony about what users have done.
If anything happen, I will let you know, but I doubt it.