Almost every time I see claims to the effect of "learn any language" or "learn all languages," on HN or otherwise, it's about a smallish subset of languages. No

Almost every time I see claims to the effect of "learn any language" or "learn all languages," on HN or otherwise, it's about a smallish subset of languages. No matter how many languages you think you support, you don't support them all, so why make such a wild claim?