The article admits: > Open source often does create ecosystems that encourage many small-scale innovations, but while bolder innovations do widely exist at the

The article admits: > Open source often does create ecosystems that encourage many small-scale innovations, but while bolder innovations do widely exist at the early experimental stages, they often fail to be refined to the point of usefulness in large-scale adoption. You can argue that, for example, KVM is a clone of something else. However, it's because of not stopping at an early stage KVM is now a mature and insanely popular technology.