The real truth is, I have had my original account banned.
I tried some botting software that all my guild mates at the time were using, for a total of 45min one morning, then went to work. A few hours later permaban.
Luckily they took some pity on me upon my appeal and didn't ban my secondary account on the same bnet, so I got to keep all my cheeves, mounts and whatnot.
I guess the real point is, the only time I ever had an issue - no matter what I was doing in the background - is the one, and only one, time I encountered any punishment.
Read into that what you will.
(P.S. In case you were wondering, none of my other guildies using the same software ever had an issue before, but I don't know if they did after, as I decided to move on and associate with more reputable peeps.)