Hiro Protagonist is literally a pizza delivery driver, so it's not a euphemism. Neal Stephenson could perhaps have used pizza delivery as a metaphor for somethi

Hiro Protagonist is literally a pizza delivery driver, so it's not a euphemism. Neal Stephenson could perhaps have used pizza delivery as a metaphor for something, but if so, I have no idea what, so it's probably actually just commentary on America's obsession with fast food.