They usually don`t ban the "main" account for botting but for abusing the economy or whatever the exact term they have for it.
Either way once you start there is a risk,so no you can`t make sure.
No offence but for the short time i have been here i have seen him close quite some useless threads.
And is it his job to provide support or moderate the forum?
It might be just me but you claimed your account was "hacked" so they probably investigated it and looked where the drops went.
Resulting in the ban of your auction account?