I don't mind the changes brought about by Discovery, but I do not feel that they were necessary. The idea that you can't tell new and excellent stories because you're trying to tell the stories through 'a look that is dated' is something that I don't agree with. It's not that people can't relate to other eras, etc, it's that they don'wanna. They want everything their way, with their look, etc. It is, ironically, a selfish herd. That 'Me-Generation' mentality. Art should never bow to the wishes of anyone other than the artist, for that matter. But, television is a commercial, money-oriented venture.
Commercial art is still art. There are as many reasons artists create art the way they do as their are artist, but often that decision is 'what will make me a living' if one is a professional artist. The artistic design of a particular TV series is exactly the same as any other kind of art, intended to provoke a desired reaction from an audience. The fact that it is done collectively is not particularly relevant. IMO.