Nothing is pure I agree.
What I am getting at is the traders perspective. Many people see themselves as one thing and the other participants as something else.
People are playing the same game. Game theory helps you to understand what is going on - how you are trying to guess what guessers are about to do. Nothing more.
I haven't seen a way to apply game theory to the markets personally, other than it helps you to stop over-thinking things
Game Theory with Ben Polak - YouTube
Yes I agree