I want to use someone’s novel software idea. I do not need to understand how it is built and how to maintain it. Getting irate about what the customer wants (‘

I want to use someone’s novel software idea. I do not need to understand how it is built and how to maintain it. Getting irate about what the customer wants (‘use software easily’), then blaming them for not wanting to understand the brilliant techniques that a hallowed developer has used is simply arrogant.