Sudden ban after very little botting

Was the game account created after the 13-May-2015 banwave?
No, an old Vanilla account

EU or US realm?
US

Did the account have any previous suspensions or bans?
Yes, several (I appealed them saying I hadn't loged in for like a week or more, and in a few cases that was in fact true, I really was a victim of China)

How many (average) hours per day did you bot?
Only about 3 hours today, after weeks of not botting

What estimated percentage of the time did you supervise your bot?
0% I turned it on today and went to lay down

Was your account involved in gold selling?
no

How many auctions per day did you post on this account?
None

Did you use any non-Honorbuddy bots with this account? If so, which ones?
No but I used demonbuddy

Did you use any H4cks, Che4ts, or mods with this account? If so, what are their names?
No

Do you have any observations about the event you'd like to share?
I noticed the bot was running back and forth rapidly between two points in whatever that gold cart battleground is (not the one underground), then I was actually at the computer when I got disconnected and got the popup