From another Ensemble Studios interview with Gamasutra (emphasis mine):
"6. We did not plan for a patch. The version 1.0a patch, even though it was a success, was problematic in that as a company we had not planned for it. THE GENERAL ARGUMENT IS THAT IF YOU KNOW YOU ARE GOING TO NEED TO RELEASE A PATCH, THEN YOU SHOULDN'T BE SHIPPING THE GAME IN THE FIRST PLACE."
"6. We did not plan for a patch. The version 1.0a patch, even though it was a success, was problematic in that as a company we had not planned for it. THE GENERAL ARGUMENT IS THAT IF YOU KNOW YOU ARE GOING TO NEED TO RELEASE A PATCH, THEN YOU SHOULDN'T BE SHIPPING THE GAME IN THE FIRST PLACE."
Those were the days!