Classic interpretation of this is the war that took place with 300 Spartans in ancient Thermopylae, Greece. It is important to keep in mind that this is not an argument to determine one way over the other, but rather to understand that both are equally important.
There is no natural selection, one cannot exit without the other, so. Quality is quality and quantity has a quality of its own. While realistically guarantees do not exists, there are purchasable and or barter positioned insurances. That is where quantity and quality coexist, creating a power of reimbursement.
In economic we stride the keep one paced along the other, controlling exceptional failure levels and recessions. If a company operating creates mobile application software, in the beginning they do not put a security encryption for preventing jail-broken hardware from downloading it for free, while other none jail-broken phones pay the charge. But this establishes a market share and demand which is important in this case; then the next version can be implemented with the security inscription. Allowing the smoother transition to the next version with only pay per application, and allowing the an insured preservation with more calculated and healthier loss of market share.