[graeme]

Lightning Source International also does print on demand. About half of amazon orders for POD books may use LSI rather than Createspace, amazon's printer.

Amazon had a dispute with LSI as well. It was less publicized, so we don't know the details. But LSI books started showing "Out of stock: ships in 1 to 6 weeks" if that book wasn't also available on Createspace.

That was false. LSI takes about a day to ship a book once it receives an order. Amazon was merely delaying LSI orders in an attempt to force authors to use Createspace in conjunction with LSI.

[mcguire]

Actually delaying the orders, or reporting an availability of 1 to 6 weeks, pre-order?

I suspect one of those options is legally questionable. And would cause a very large hoo-ha.