The MongoDB Go driver allows developers to build scalable software on multiple operating systems and architectures without the need for frameworks or runtime environments, leveraging Go's concurrency support to execute queries concurrently and in parallel against a MongoDB database. The example demonstrates how to use the mgo driver to connect to a MongoDB database, define type structures to represent the data being retrieved, and execute multiple queries independently using goroutines, showcasing the benefits of combining MongoDB with Go for building highly scalable software.