The document discusses how infrastructure as code approaches like PowerShell and Puppet have improved Windows server management since 2012. It notes that PowerShell allows for automating Windows server configuration through code and that Puppet complements PowerShell by providing a domain-specific language (DSL) format for infrastructure configuration. The document concludes that with tools like PowerShell and Puppet, managing Windows servers is no longer as challenging as it once was when relying solely on manual processes.