Ditto to what Trepidity and Seumas said. But I have questions. The article has a quote: "If you’re not paying for it, then you’re the product being sold." So: I just installed OpenBSD on some hardware I had lying around. You see where this is going.
I didn't buy the CD set (yet). It's about an 80% chance that I will now, and 99% if I turn the box into a packet filter as planned.
(1) In what way am I the product being sold (by OpenBSD)?
(2) If I'm not "the product", then how can I tell? I'm dissatisfied with any answer that says it's obvious on its face: "I just know in my gut that Google has the capacity for evil, yet OpenBSD is good."
(3) If I am "the product", then by what mechanism am I suddenly relieved of that status when I buy the CD sets?
I'm not trying to argue that OpenBSD is good therefore Google is good, nor that Google is bad therefore OpenBSD is bad. I genuinely can't reconcile my experience with the quote, so I think the quote is an overgeneralization. Both Google and OpenBSD may or may not be selling me as a product, the fact that they're free tells me very little, and I have to research them myself.