Don't let it get you down. HN sentiment often trends grumpy when someone makes a point that's been made before. That doesn't mean it's not important to restate,

Don't let it get you down. HN sentiment often trends grumpy when someone makes a point that's been made before. That doesn't mean it's not important to restate, extend, elaborate on, modernize, and recontextualize ideas! There are almost 8 billion people on this planet; most claims echo prior statements to some degree. I found your article practical, short, and largely accurate; which is to say: I liked it. I think it could be improved with either an edit or followup which links to similarly-inclined articles, papers, or talks that discuss the topic, so folks can deepen their understanding of the role of type systems in day-to-day programming and PLT.