People assume that computers will do everything that humans do. Not good. People are different from each other and they are all really different from computers. ↗
And, of course, some SF is set close enough to here and now that Anglo and European do apply. Since many of the writers come from those backgrounds, so does much of the fiction. ↗
Some people must go to extremes to get the world in balance for themselves. Some can't bear bright lights, so wherever they go they search for the dark; they turn the lights down, anything to sustain some level of comfort. ↗
Its limitations are those of the physical universe: it won't let you play with some really wild ideas that aren't possible, but are fun to speculate about. ↗
There may be something to the suggestion about the pace of technological change intimidating writers, though - it's been awfully hard to keep ahead of real developments. ↗
Some of the biggest changes that have happened are behind the scenes, in the way we produce the magazine. E.g., much of our production has been brought in-house via desktop publishing. ↗
This means I must pay close attention to the writing, but equally so to the scientific background - which sometimes means doing fairly involved calculations. ↗