On a macro scale, I believe corporate financial planning is similar to the way we do our own personal finances. We decide what we can live with and live without. In both situations the decision is biased however in the end the goal is the same, to achieve some sort of financial success.
Regarding the post, I have to consider how much I actually contribute to producing the actual product. Production plants aside, the more removed a position is from producing the actual product, the greater the likelihood of that those positions will be considered for outsourcing or just elimination.
Prior to my Ford layoff experience of 2008, I was with a company the reduced it's workforce by 20% in the early 2000's. Both companies bounced back without any long term effects. In both instances, the further removed a position was from the producing the product, the increased likelihood of layoff.