It depends on your business context. Different business need different business cases. What is the bottleneck or priorities for the business context you operate

It depends on your business context. Different business need different business cases. What is the bottleneck or priorities for the business context you operate in? Engineering decisions that produce the best business outcomes for a pre product-market fit saas business in a low-risk domain might be regarded as criminally negligent for another business that ships medical devices. Some other things to consider: How much does quality matter? What is the cost to the business, and to customers, of shipping a defect? How much would it be worth to the business increase the effectiveness of QA? How important is the ability to rapidly deliver low effort prototypes, perhaps using low or moderately skilled staff? Is the business focused around a particular domain -- how mature is the library support for that domain? Does the business already have substantial expertise with a particular technology?