What are these 'interested parties' because that sounds like another way to say 'shared holders' -- There is base assumption in such a claim that more is better

What are these 'interested parties' because that sounds like another way to say 'shared holders' -- There is base assumption in such a claim that more is better and that our current system is more optimal than some other system you've heard about. A curious perspective; fear of options. Emotion over logic.