Why assume that they are using Docker because they have a portability problem?
They probably like OS X as a workstation OS, and want to use Docker for the DevOps benefits that they gain from it. boot2docker is just a lightweight solution for running Docker locally.
They probably like OS X as a workstation OS, and want to use Docker for the DevOps benefits that they gain from it. boot2docker is just a lightweight solution for running Docker locally.