Can you please not post like this to HN and especially not to Show HN threads? (There are special rules for the latter: https://news.ycombinator.com/showhn.html.)

I'm sure your intention was to be helpful, but this reads like a putdown, and the kind of effect that putdowns can have on newcomers, students, and so on is exactly the opposite of what we would like HN to be.

https://news.ycombinator.com/newsguidelines.html