My comment towards professional military personel was not meant as a way of compairing them to mercinaries.
It was meant in the sense that. If a soldier goes into a firefight, he doesn't think too much about the personal side of who he's shooting at, otherwise at a crucial moment he may hesitate, and that could be the differance between living and dying.
Yes, that makes sense. I battle the complexities of "why" take a back seat to "how", namely "how do I keep myself alive and execute my mission". But in the decision of whether or not to join a military (or in this case, the military of a South African nation) there's a lot of time to consider the "why". It's probably the most important question at that moment.
Very much so - the UK examples (again, such as Saudi and Oman) are to politically "allied" countries to aircraft the RAF operate (and the PC9!). Obviously we don't do them to Zimbabwe or Indonesia...

Army types seem to produce more mercenaries, as shown with the case of Simon Mann...