The article implies it was because of delivery time. My marginally informed $0.02: They wanted to become an ecomm giant. But every sale they ran originally w

The article implies it was because of delivery time. My marginally informed $0.02: They wanted to become an ecomm giant. But every sale they ran originally was fairly small-batch. One step up from an etsy store. You can't really scale that up. They decided they wanted to go big, and to do so meant holding inventory and selling more mass-produced things.