Too Long; Didn't Read
A lot has been written about software quality, both in <a href="https://www.amazon.com/Clean-Code-Handbook-Software-Craftsmanship/dp/0132350882" target="_blank">so</a> <a href="https://www.amazon.com/Art-Software-Testing-Glenford-Myers/dp/1118031962" target="_blank">many</a> <a href="https://books.google.de/books/about/Software_Testing_Techniques.html?id=jjXTHQAACAAJ&redir_esc=y&hl=en" target="_blank">many</a> <a href="https://www.amazon.com/Agile-Testing-Practical-Guide-Testers/dp/0321534468" target="_blank">books</a>, and in even <a href="https://medium.com/@benlinders/increasing-software-quality-with-visual-management-b02688f9b9b5" target="_blank">more</a> <a href="https://martinfowler.com/bliki/TradableQualityHypothesis.html" target="_blank">articles</a>. And there are a lot of tools and metrics available to measure software quality. All these are well known, proven and accepted in the software community.