^^^If you mean they simply upscaled the standard DVDs----you are way wrong.
They all came from regular prints of the movies.They all are proper Bluray releases (except for Trek 6 which was proven to be from a 1080i transfer and not from a 1080p source)
The problem was that Trek 2 was completely restored for the releases---the other 5 were cleaned up to some extent.They certainly do warrant a full restoration and perhaps that will be a selling point for the next release that will probably around the release of the next Trek movie.Hopefully the next release will include deleted scenes for 2,3 4 & 6 as well as the Director's cuts.
Here, for example, is the review of Trek TMP at hi def digest concerning the video quality...........
The Video: Sizing Up the Picture
According to the vaguely-worded notice on the back of the box set's packaging, "The films have been digitally remastered and The Wrath of Khan has been fully restored in high definition with brilliant picture quality." What exactly that means, and what the difference is between "remastered" and "restored," has been the subject of much debate in internet discussion forums. Ever since the set was released, buzz has been circulating online that 'Star Trek II' is the only remotely watchable Blu-ray in the set, and that all of the others look like 18th-generation VHS tapes smothered in Digital Noise Reduction. At least as far as 'Star Trek: The Motion Picture' is concerned, that's a huge load of bunk. This disc looks pretty terrific.
With that said, while watching the movie, you'll need to keep in mind the conditions under which it was made. The majority of the film was photographed using anamorphic lenses with short focal range on dimly-lit interior sets. As a result, there are a great many soft-focus scenes throughout the movie. Director Robert Wise also liked to play with split-diopter lenses, in which one side of the screen will be focused on the foreground while the other side of the screen will be focused on the background, usually with a visible line demarking the two. It's an effect that isn't used much in modern movies, and the dramatic drop-off in focus between the two sides of the screen can be very distracting at times. The special effects shots contain many layers of information optically-composited on top of one another, a process that caused a generation loss in quality and detail with each new layer added. On top of all that, most of the aging cast were plastered in pancake makeup to hide their wrinkles.
The result of all this is that 'Star Trek: The Motion Picture' is inconsistent in sharpness throughout its running time. Some shots are vividly sharp and detailed, while others look soft and gauzy. None of this has anything to do with the disc transfer. That's just the way the movie looks. If anything, the Blu-ray's high-def transfer is so clear that it makes these shot-to-shot variances stand out more than they ever have on home video.
The Blu-ray's 1080p/AVC MPEG-4 transfer (presented at its theatrical 2.35:1 aspect ratio) looks significantly, often astoundingly, better than the movie's previous incarnations on DVD and other formats. In fact, it looks a lot better than the 35mm print I saw a few years ago. At its best, the disc is revelatory in its detail. DeForest Kelley's fake beard, William Shatner's toupee, and Stephen Collins' unibrow have never been so obvious. Colors are clean and accurate, and the picture has a very strong sense of object separation and depth. Paramount has also put in a tremendous amount of work cleaning up or digitally painting out the dirt and debris commonly associated with optically-composited special effects of the era.
That's not to say that it's perfect. Some grain removal and DNR artifacts are visible from time to time. The contrast appears to have been artificially boosted, which leads to a little bit of crushed shadow detail in the dark space scenes (most noticeable at the Spacedock). Even so, these are nit-picking quibbles at worst. Complaints you may read elsewhere about "waxy" facial features have been exaggerated way beyond any resemblance to reality. For the most part, this is a rich, dynamic, and very impressive Blu-ray transfer that is at least as good as, if not sometimes better than, the full-blown "restoration" performed for the next movie in the set. I only wish that all of the later movies fared so well.