AndrewW
Emperor Mongoose
Let's ignore, for the moment, the point that fiction is an exploration of human interior spaces, and that sometimes a spaceship or a princess is a metaphor; science fiction and fantasy are genres famous for their departure from the plane of mundanity, and usually a spaceship is just a form of transport between inhabited worlds ...
Let me tell you what makes me yell when I kick the tires on an SF/F novel these days.
http://www.antipope.org/charlie/blog-static/2015/12/science-fictional-shibboleths.html
Even a brief mention of Traveller in there at the end.