Because of money. OSS is usually written as a hobby in the spare time of developers because doing it full time rarely pays the bills: http://www.zdnet.com/artic

Because of money. OSS is usually written as a hobby in the spare time of developers because doing it full time rarely pays the bills: http://www.zdnet.com/article/electricity-bill-threatens-survival-of-openbsd/# http://www.zdnet.com/article/electricity-bill-threatens-surv...!