Really? It's clear that open source projects can produce excellent quality software. It's also clear that proprietary software can be excellent quality. Both can also produce garbage.
If you have evidence that open source can produce generally better quality software, or is consistently better for the same kinds of problem, I would like to see it presented.
If you have evidence that open source can produce generally better quality software, or is consistently better for the same kinds of problem, I would like to see it presented.