We don't always have the opportunity to even do that.
And even when we do have the opportunity, there are cases where we can't, because the language is untranslatable, for example the North Sentinel islanders: https://en.wikipedia.org/wiki/Sentinelese_language
Yeah, you're right here. My point was more than it doesn't take biological successors to continue traditions. Was more meant to add a light of hope to an all around depressing situation.
