From what I read here, most people that have a Pi for more than a year do have more than 1. If not, it is easy to buy onea typical Pi owner is probably highly unlikely to have access to another one
Do you have a link for this quote? Google can't find it."The foundation is a charity and doesn't have massive capital to fund production of a zillion Pi Zeros upfront (and the profit margins are small), unlike their big Pi's which get funded by Farnell and RS etc"