I don't like the word learnings either, but you write for your audience and this article was probably written with the hope that it would be shared on LinkedIn.
Learnings might be the right choice here.
I wouldn't complain if the HN headline mutator were to replace "Learnings" with "lessons".
Learnings might be the right choice here.
I wouldn't complain if the HN headline mutator were to replace "Learnings" with "lessons".