[magnito2123]

I find this hard to read because some of his arguments are just subjective rants about style.

His argument about "mutations" and "passing values around" is exactly what makes FP great. It is to prevent side effects, which makes it hard to trace bugs when coding concurrently.

[vjeux]

It was meant as a small rant around functional programming, not to get #1 on HN and being seen by a super wide audience. Sorry about that!