Yes, I used auto-win but always with a support unit be it a friend's or random. Two of the members recommended to always bring support when clearing to not have your battle be saved. After getting a one day ban a while ago playing CC event, I never used the damage multiplier, God mode, etc...
Seconded. For context, (1) I've avoided clearing missions without support units to not have my battles saved. (2) I was convinced I got a 1 day ban from using the mod menu at CC events so, I actively avoid participating in it. (3) Today, I received a 7 day ban. I have no idea as to where or how...