[xte]

I suggest you to read "In the beginning was the command line" paper, it describe an ancient world with many companies, in the USA market, not academia nor URSS, that make big money and give software for free.

As a matter of fact job security is threatened by turbocapitalism in which anyone is a Ford-model replaceable worker...

The substance is that job security in FOSS is based on personal competence, you pay competence, actual work, not evanescent product so a skilled programmer it's always safe, a mediocre one is always in trouble and can't try "managerial career" to mask his/shes low skill...