By the time he was done, he knew enough to commit mass murder in half a dusin different very hard to track ways. I am sure doctors know how to commit murder and make it look natural.
My brother never killed anyone, or made any meth. You simply cannot have it so that students don’t get this type of knowledge, without seriously compromising their education and its the same way with LLMs.
The solution is the same: punish people for their crimes, don’t punish people for wanting to know things.