I believe hardware boxing is going to be just as bad in their eyes. This is how it used to be done. I used to run multiple computers with a single wireless keyboard / mouse with the frequency being sent to each computer. Before software was available.

By the wording of the policy, they want people to only be multi-accounting using the ALT+TAB method. So that means any actions that fire off the same skills on your guys at the same time is asking for action to be taken on your account.

That effectively kills it for most.