Hey

With the changes to Convoy/Plunder. Overall has been a positive experience for everyone.

Coming from a system that gave no coupons, to a system that's not relying on group participation and allows the player to receive coupons, It's beneficial to a large group of people.

Granted, with the changes it does reward the Top 50 players with the option to receive more coupons on plundering. However, they don't receive coin and the value of coin can be measured relatively easy.
Also if a lower level player is running an SS Mission, it's highly suggestive to run with someone who can back you up. Those sort of missions is what Plunders are looking for.