I guess the joke is that if one travels faster than light, then time gets reversed. Hence the title "Faster-than-light Travel and Capital Theory" gets inverted

I guess the joke is that if one travels faster than light, then time gets reversed. Hence the title "Faster-than-light Travel and Capital Theory" gets inverted too. Oh, and obviously, if time reversal is possible, then you can make reference to articles published in the future.