Then try this: do you not think that it's understandable to expect a work of fiction set in a particular time period to put a reasonable amount of effort into selling the idea that they are, in fact, in that time period?
Take HBO's Rome, for instance. While the dialogue is in English they made a great deal of effort to represent the actual world and values of first century BCE Rome. This is in contrast with a lot of other historical films that make efforts to "convert" their heroes into modern versions or their world into a stereotypical representation of what people in general think when they imagine the time period.
So, yeah, this is the future and it can be whatever we imagine, but both in terms of design, tech and world, I'd like to be sold the idea that it is actually a few centuries ahead. This includes, for me, and especially since English is actually the language they use in-universe, not using idioms that will be out-of-style in six months' time. Now, I'm essentially supporting another poster's argument, here, but I sympathise with it.