I have found bugs in almost every major library I have worked with in my professional career. Being able to fix an issue myself and submit a PR is invaluable an

I have found bugs in almost every major library I have worked with in my professional career. Being able to fix an issue myself and submit a PR is invaluable and honestly often the difference between shipping on time vs the library authors time. The industry as a whole should demand source even if it has to come with an NDA.