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. ↗
I'm not so interested any more in how a great deal of science fiction goes. It goes into things like Star Wars and Star Trek which all go excellent in their own way. ↗
I don't really have special rituals, but I don't try to write fiction unless I have a minimum of a few hours. For me, it takes a while to settle into a mode where I'm truly concentrating. ↗