"Organizations act rationally within irrational systems.
Many failures arrive wearing the costume of professionalism. In a system boundary decision that affects two teams, the argument sounds responsible right up until the system breaks. The story is what makes the risk hard to see.
In a system boundary decision that affects two teams, the shortcut will be framed as temporary. Temporary decisions have a way of turning into the operating mode, especially when they make next week easier. You see it in a cache added for speed that quietly changes correctness semantics. If you cannot describe the boundary simply, the boundary will not survive escalation and reorgs.
Charles Perrow is a reminder to audit the argument, not the intention. Name the assumption and the observable signal that would invalidate it. Be calm and explicit.