Haskell vs Rust from FPBlock

The article is linked from last week’s weekly news.

Yeah, I saw several bits of Haskell code and thought I wouldn’t do it that way.

As a profession, haven’t we rather got over ‘language wars’(?) Is it a case of Haskell versus Rust or rather different tools for different jobs? (If you’re comparing hammer vs wrench, there’s something you don’t understand.)