> And voila! Just like that, you now have 2 systems to maintain, support and debug. It's even worse, the "new" system is a layered mess where logic is spread a

> And voila! Just like that, you now have 2 systems to maintain, support and debug. It's even worse, the "new" system is a layered mess where logic is spread across multiple systems and services, and is bound to accommodate all the original scenarios and ensure new changes remain compatible across multiple versions. It's a far worse situation than keeping the old APIs in. It's a proposed solution from someone who clearly did not even read the problem statement.