Indeed they did, at that stage when they are getting ready to ship, it's a delicate balance between getting a plant small enough to be manageable in large quantities while all the while being mature and strong enough to handle the shipment and acclimation to the new environment. Any smaller and they may not have fared as well as they did when you got them.
The Agristarts folks may have some comments about that if they see this thread but that's basically the jist of it. I wouldn't worry so much about it, they probably weren't that way for long, anyway. There's a quick turnover from what I understand.
PS the roots are already probing down into the new areas
You did good, maybe for the next up-potting you can put them straight into the ground.
