Yes. I use FreeBSD on production and dev servers. I use OpenBSD for other uses unrelated as well. Darwin is based off of FBSD. NetBSD runs anywhere, and OpenBSD is one of the most security-concious operating systems.
Just because some people use Apple's shiny new fad doesn't mean everyone does.
Sorry, I meant to convey the idea of Macs often being fashion statements. All the cool, hip kids use it to build their social coupon webapp weekend startup from a coworking space in RoR with a NoSQL backend while listening to indie rock.
Just because some people use Apple's shiny new fad doesn't mean everyone does.