It's highly plausible that all we assumed was good design / engineering will disappear if LLMs/Agents can produce more without having the be modular. (sadly)
There is some kind of parallel behind 'AI' and 'Fuzzy Logic'. Fuzzy logic to me always appeared like a large number of patches to get enough coverage for a system to work even if you didn't understand it. AI just increases the number of patches to billions.