I agree with with your disagreement. I've always approached notebooks as a prototyping tool first and a presentation tool second. I see Jupyter more as an examp

I agree with with your disagreement. I've always approached notebooks as a prototyping tool first and a presentation tool second. I see Jupyter more as an example of an early Interactive programming tool that just happens to be useful for presentation and teaching purposes. (https://en.wikipedia.org/wiki/Interactive_programming https://en.wikipedia.org/wiki/Interactive_programming) And regarding sharing -- particularly with notebooks you should be really cautious about sharing and opening them. The security model is not exactly bullet proof.