598
Computer Science, a popular college major, has one of the highest unemployment rates
(www.newsweek.com)
This is a most excellent place for technology news and articles.
Yeah there are obviously unfortunate cases. But to put another unsourced number out there I would say 90% of open source maintainers are employed in some way or even directly to work on that thing.
The point of bringing it up is that those people would gladly give a pass on an interview to someone they already know contributes than some random graduate they don't know.