Yes, employing a publish/subscribe service to distribute messages simultaneously to several message queueing services is a well-established method for decoupling components within a microservices architecture, enhancing fault tolerance and resilience. When a publisher sends a message, the service fans it out to all subscribed queues, each corresponding to a different consumer service. Should one consumer service experience an issue, it doesn't affect the ability of other services to continue processing their respective messages. This design pattern prevents any single point of failure from bringing down the entire system, thereby improving overall fault tolerance.