We all do things mostly because of selfish reasons and to get ourselves to wanted direction*. We can do it they way that all feel they got a good deal or then less cooperative manners. Almost all "use" other people.
The fact is that, before the Silencer you can be pretty nice guy (You don't have to do any Empire missions), almost light side with the difference that you want more personal power, but helping to
That is where I stopped doing even class missions.
* Even if our goal is law enforcement, health care or other profession where we directly help others.