That's not really a sensible association. A lot of work is done with those languages where shells are either not used at all, or are just a development tool (e.

That's not really a sensible association. A lot of work is done with those languages where shells are either not used at all, or are just a development tool (e.g. could be replaced by editor features). It seems rather strange to try to forcibly connect Python/Ruby/... and sh, rather than just grouping as languages that happen to share the # for comments. (Maybe they adopted it from shells originally, but the languages definitely stand on their own now.)