Comment by inetknght

> This was boring to most students as they had no clue why the formalism was invented in the first place.

> The history of how concepts were invented for the problems faced is far more motivating to students to build a mental model than canned capsules of knowledge.

That's something I really like about 3blue1brown, and he says it straight up [0]:

> My goal is for you to come away feeling like you could have invented calculus yourself. That is, cover all those core ideas, but in a way that makes clear where they actually come from, and what they really mean, using an all-around visual approach.

[0]: https://www.youtube.com/watch?v=WUvTyaaNkzM