Keep in mind that the normal learning process involves students asking questions out of left field, surprising and frustrating even long-time experts who might

Keep in mind that the normal learning process involves students asking questions out of left field, surprising and frustrating even long-time experts who might need some time to consider how to answer even if the expert has the knowledge to notice the fallacy. If removing bullshit puts an undue burden on that learning process that causes students to refrain from asking the questions that will help them understand the topic, then you didn't ACKCHYUALLY remove it, you only moved it. :)