If the penalties are unjust (and particularly if the penalization at all of mere possession of some or all of the materials in the class at issue is unjust), then advising people how to avoid those unjust penalties—which are an unmerited harm by definitoon—is not merely not “deeply disturbing”, but actually meritorious.

The issues cannot be separated. You can't say it's okay to argue that the penalties are unjust, but improper to help people avoid the penalties: if the penalties are unjust, it is at least good and perhaps even morally obligatory to take reasonable steps to help people avoid being on the recieving end of that injustice.