Well, sure, my whole point is that it stands to reason that anyplace a starship physically visits would have already been initially charted -- you don't even need to send a probe, you can do it with telescopes, like we're doing now with all the thousands of exoplanets we're discovering. What I'm saying is that the idea of sending a ship like the Enterprise to do the initial charting, as in "Cause and Effect" or "The Corbomite Maneuver," is an antiquated idea. It's presuming that space works like the Earth's surface, where anything far away is hidden from view so you have to sail there directly in order to see it. But that's not how space works, since it's mostly, well, empty space. Virtually everything in the universe is in direct line of sight, just really far away. If you have a powerful enough telescope, you can look directly at things that are thousands or millions or even billions of parsecs away.
So there's just no excuse for the idea of a starship entering a region of space that nothing is known about -- except in a case like Voyager, where it's flung to the other side of the galaxy, since the bulk of the galactic disk and central bulge in the way would limit what we can detect from the other side. On the whole, any region of space that's physically visited for the first time should have already been mapped telescopically long before. There should already be a pretty good understanding of what systems and planets are there, which ones are inhabited, which ones have civilization or advanced technology, and the like, just from telescopic and spectroscopic observation. The starship should be there to do more intensive surveys of systems or phenomena that have already been identified as worthy of interest.
A related problem is ST's frequent assumption that a starship in orbit can't see what's happening on the ground below, that "sensors" don't include simple telescopes and can be "jammed" even with a clear line of sight to the surface. For instance, in "The Mark of Gideon," how could the Enterprise not have known about the Gideonites' extreme overpopulation? The sheer crush of people should've been evident just by looking down at the planet, taking photos at high enough magnification. If present-day spy satellites can read license plates from orbit, then the idea that 23rd-century starships don't have anything as basic as a telescope pointed down at a planet is inane. And even if they all lived indoors or underground or something, the planet's infrared signature and the atmospheric and environmental effects of all that biomass and the technologies sustaining it should've been detectable. There were episodes of later series that had the same problem, although there were a very few that got it right -- I seem to recall an early TNG episode (I forget which one) that showed a sensor graphic tracking individuals inside the rooms of a building, and ENT: "Civilization" had the crew using direct visual imaging of the planet's natives from orbit in order to learn what they looked like and impersonate them.
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