"It's a bunch of parasites!"
We easily have associations or images with words such as 'parasite' or 'predator'. It is tempting to use these words for judging others who are troublesome to the initiative.
In ecosystems, everything has a function: including the tricky four of the five Ps. They show you the imperfections of the system, and prompt you to do something about them.
The strength of eco-analysis lies in its neutral consideration of the nature of relationships with nature as a 'lens' for better understanding.