Why do this when http://bitbucket.com http://bitbucket.com will host private git repos for free? Not everything needs to be in the cloud, and using any online

Why do this when http://bitbucket.com http://bitbucket.com will host private git repos for free? Not everything needs to be in the cloud, and using any online service run by someone else brings some degree of reliability, security, privacy and longevity risk. Some of us just prefer to avoid those risks, and usually will unless there's some compelling benefit that outweighs them.