If you struggle to find uses for something, chances are that it doesn't need to exist in the first place.
Fair.
But the same logic could be used to say that we don't need anything new, ever. Or that it would be better to get rid of Mace Windu instead of rework him. I mean, if you're struggling for uses for Windu now, he doesn't need to exist, right?
Now accuracy could be said to be less important to the SW universe than Windu (but Obi Wan investigating the sand crawler would disagree), I am only saying that they went to the trouble to create these things, and something has to change. Delete them, maybe. Okay. But if they aren't going to delete them, why not make them useful?