A huge strength. A ability to leave a job easily, or to be fired easily, is also the ability to get a job easily. Closed systems don't allow for mobility. Guar

A huge strength. A ability to leave a job easily, or to be fired easily, is also the ability to get a job easily. Closed systems don't allow for mobility. Guaranteed employment, from a company's perspective, adds huge barriers to hiring. In high tech, this is doubly true.