Collective bargaining, a degree and an engineering skill set just don't cut it any more, if you're competing with a robot that can produce more widgets, more quickly, with higher quality and lower cost. Some of the traditional views about how you protect jobs in a capitalist economy just don't apply to this threat. Nedd Ludd would be spinning in his grave.
Watch “Getting Started with Puppet – PuppetConf 2013” on YouTube
A good talk that covers many of the first stages of how to start automating your servers.