The value of data is determined by the intelligence of those interpreting it, not those who recorded it.
Of course, this dynamic is sometimes positive. The Babylonians kept excellent astronomical records though apparently making little theoretical advance in understanding them. Greeks with an excellent grasp of geometry put that data to much better use very quickly. But if they had had to wait to gather the data themselves, one can imagine them waiting a long time.
If I speak something to a rock, what is it to the rock? Is it "signal," or "data"?
Making the concept a little more interesting, what if I resonate the rock with a sound frequency? What is that to the rock? Is that "signal," or "data"?
Up until the Rosetta Stone was found, Egyptian hieroglyphs were indecipherable. Could data be gathered from them, nevertheless? Sure. Researchers could determine what pigments were used, and/or what tools were used to create them, but they couldn't understand the messages. It wasn't "data" up to that point. It was "noise."
I hope I am not giving the impression that I am a postmodernist who is out here saying, "Data is meaningless." That's not what I'm saying. I am saying meaning is not self-evident from signal. The concept of data requires the ability to interpret signal for meaning to be acquired.