I think you're failing to understand the point of this piece. It's really an exploration of how many books Simon needs to carry around... which turns out to be "one, maybe two." This brings up a lot of rather complex questions which I hope will be addressed in later programs: When does he need to carry around two? And is one of them a dictionary?
I'm also looking forward to his comparative review of mobile phones in which he will reveal how many people he needs to speak to daily. Just one, maybe two? And his rundown on GPS devices, in which he confesses that four directions seem far too many; he can do very well with just North and... maaaybe West.