If the rewards include a cut of the prize pot for the casual that got sunk, then at least it will ensure that "food" will be kept around.
There is no incentive to get sunk. Or rather, there is no gain to play as food.
Google translate: Нет стимула утонуть. Вернее, нет никакой выгоды, чтобы играть как пищу.
However this does not solve your real problem, which is being able to defeat your menace without running against insurmountable walls.