Even if you were going to run CoreOS or Mesos on the machine, you'd still manage it booting your specific image, which you can change, rather than trusting the

Even if you were going to run CoreOS or Mesos on the machine, you'd still manage it booting your specific image, which you can change, rather than trusting the pre-installed dell verion and managing that relationship. Now there's probably some room for debate on whether these guys job should just be outsourced to Amazon, but github has some pretty good uptime and they seem to know what they're doing, thus they've probably already won that debate.