I actually kinda like common. In general, things seem more fantasy (or mythic, perhaps) to me, if everyone can talk to everyone else.TL;DR, I'm looking for other people's opinions of the way in which non-human FRPG societies seem to be homogenous across the world. Is this something you're okay with? Do you mix it up? Take different approaches? What are they?
(Oh, and don't even get me started on the fact that there's a language called "Common" )
You could conceive of Common as just "the gift of language" in the sense of communication, it's not just a language everyone strangely learns, it's the language everyone who can speak at all, can speak by default. All other languages would then be intentionally "secret" means of communication, that take that gift, but obfuscate it.
Why do humans speak Common, while other races each keep a secret language? Are humans just a naïve 'young race?' Are they cursed? Blessed? Are Thieves and Druids competing to establish their languages as the official "Human" language? Is establishing a Language of their own the first step to differentiating a new Race? Is that why there's so many elves?