This is the 'Zero Defects'[1] mode of development. A Microsoft department adopted it in 1989 after their product quality dropped. (Balmer is cc'd on the memo.)
1. https://sriramk.com/memos/zerodef.pdf
As opposed to the current 100% defects approach they seem to have adopted.
As opposed to the current 100% defects approach they seem to have adopted.