I would suspect that quite a few other people are not fans of the bilingual packaging and so held off using points to get those versions and just bought them elsewhere, hence Disney ending up with surplus stock on those. They’re silly not to have discounted them to a lower number, though, as that might have shifted some of the remaining copies to people who probably could have looked over the bi-sleeves for a low-point/"free" chance to own.
Look on the bright side…at least you saved using 2300 points on those two titles, so saving them for something "better" in the future…? That equates to about $23, so hopefully you didn’t spend much more than that on those two in your order, so you’re still "quids in", or, er, "dollars in" ("bucks in"?) as we say here!
