Beyond some point, mastering "fundamentals" tends to look a bit like a barbershop pole. Engineering and computer science principles are in competition with each

Beyond some point, mastering "fundamentals" tends to look a bit like a barbershop pole. Engineering and computer science principles are in competition with each other. Within each tech stack, the balance of forces is different. It takes years of experience within a particular tech stack for an organization to find elegant and harmonious balance in techniques.