I grew up knowing the most popular language, why would I learn some backwater dump of a language like french only spoken by like 3.8% of humans unless I’m going to go live there or in one of the places they fucked over? Mandarin I could get, same with Spanish just due to total surface area and the best Venn diagram result. But there are so many little languages in the world and humans have finite time to live.

because, if nothing else, it would make your English better

Middle English borrowed vocabulary extensively from French dialects, which are the source of approximately 28 per cent of Modern English words, and from Latin, which is the source of an additional 28 per cent.

when you learn more about a language that influenced “your language”, those borrowed words open up and gain more meaning. You master their intricacies and start using them with more tact