[beat]

It depends on the result. If the result is public embarrassment of the company and the loss of millions in market worth? If the result is someone dying?

[fdsfsaa]

Do you have any actual evidence that a culture of design documents and signoffs produces code with fewer vulnerabilities?

[user5994461]

How to make flawless software that goes into space => A truckload of process and design documents. https://www.fastcompany.com/28121/they-write-right-stuff

Whatever software is made, the [lack of] efforts put in design and reviews will have high impact on quality [or lack thereof].