You are not rewarding Everyone. You are rewarding the people who participate.
The token system would be just like a DKP system for an LS. Everyone gets points for showing up then they can spend those points leveraging them for power.
In game though they can be used to pay for things outside of gil so that only people who particpate in such end game events are rewarded with those benefits.
IE If the goblins have a Barbershop. With gil you can pick and chose to change your hair between any racial hair style for your race.
With tokens you get access to hair styles from other races.
With the Goblin Gambling Board you can buy a few low level gambling goblin bags with gil that might have crafted gear, or random low level drops in them. With tokens you can buy high level goblin bags that might have items comparable but not the same as end game drops.
Those are just examples. you have to participate but as long as you do eventually you are rewarded.