Eh, redundancy doesn't have to imply a lack of coordination, it can be strategic. I haven't worked at FB/Meta so you may have deeper insight here. If you have

Eh, redundancy doesn't have to imply a lack of coordination, it can be strategic. I haven't worked at FB/Meta so you may have deeper insight here. If you have something extremely critical you need done and enough resources, especially at a high risk of failure, you often have multiple groups tackling the same problem to increase your odds of overall success.