There's definitely a selection effect - the type of person that will spend time on Advent of Code is also likely to be the type of person that learns and uses m

There's definitely a selection effect - the type of person that will spend time on Advent of Code is also likely to be the type of person that learns and uses more exotic languages, or at least languages that aren't used that much commercially. Some stats to confirm - https://preview.redd.it/jrhlcxrzy0761.png?width=2275&format=png&auto=webp&s=6ffe20ec96234a4f9a3ed9a07a32cf2ba503a6a5 https://preview.redd.it/jrhlcxrzy0761.png?width=2275&format=... - taken from from last years' unofficial survey - https://www.reddit.com/r/adventofcode/comments/kj53l1/unofficial_aoc_2020_survey_results/ https://www.reddit.com/r/adventofcode/comments/kj53l1/unoffi...