I was have been playing other games online with the leaked cia's installed both before and after the ban wave. Been playing MK7 online today, cia's still installed. No ban. My theory on the people that didn't go online, but got banned, is it MIGHT either be the eShop, or having the WiFi on while in sleep mode, or having the option to show friends what game you are playing turned on in the friends list settings. I didn't use / do any of those 3 things. My reasoning is that the version is edited to be version 0, and some people have reported an update showing up for the games. I think being in sleep mode with WiFi on, possibly even highlighting the title for too long with WiFi on, or entering the eShop with the title installed might be what did it, when it checked for updates for an unreleased title. Again though, just a theory.