It's a big reason why Unixoid systems aren't more commonplace. I was the only one in our shop who knew C, and no one else there had ever dealt with Unix either. Then suddenly something clicked, it all started to make sense, and I fell in love with it. That's why I think it's so important for people to learn the Unix mindset before trying to deal with Unix systems. It's also why I have so little patience with people who don't have the patience to work through the learning curve.
Open source is a different movement.
Produkte an den Markt gebracht hat. Let's not misuse the terminology. Pastor Dave is not a sock puppet, he is an autonomous entity. A rather mindless entity, but still independent. Hmm Lukas klingelt.