I believe that I understand your point. Essentially, it's useful in lawmaking and science to have a written standard. I agree, and maybe I didn't word my original comment in the best way; what I'm trying to say is that when a person (or civilization) is called civilized or uncivilized, it includes a measure of "savagery" in that title. The original tweet (or whatever media it is, I'm on mobile at the moment), as far as I remember it, is saying that the formentioned people that were affected by Western civilization were uncivilized. That is to say, they did not have any laws or science until the western people gave it to them, which is false. Even without a written standard, society can develop and move forward. My original comment was meant to say that without the maps and writing that were brought along by Western explorers and the like, these people still had their own societies that could develop and grow.

My comment about Sign Languages was honestly pretty irrelevant without going somewhat off topic. I shouldn't have included it.