"“This isn’t quite the same as the other Pis, because the other Pis are made by RS and Farnell. We make these Pis, so you’re actually looking at a small company

"“This isn’t quite the same as the other Pis, because the other Pis are made by RS and Farnell. We make these Pis, so you’re actually looking at a small company trying to scale.” “We’ve got good resources and good engineers, but you’re looking at a small company trying to scale production," -- Eben Upton Explanation as to why the PiZero is hard to get.