Because in the wrong hands, Sam could be an unbeatable advantage.
As a long term investment we feel that the goat - especially the female - offers unbeatable advantages to the serious animal-owner.
War between condottieri captains; maneuver warfare, we're prepared to fight, but only until one side has an unbeatable advantage.
This was rejected by the other Commonwealth countries and Britain because it would allow the USA to gain an unbeatable advantage.
Which would mean, among other things, that the Empress' ships would have an unbeatable advantage over all others.
Sybyl thinks we've given her side an unbeatable advantage.
Each race has different units and gameplay philosophies, yet no one race or combination of units has an unbeatable advantage.
However they were pictured, rulers held one unbeatable advantage in the image distribution game: coins.
A U.S. senator has an unbeatable advantage over a citizen witness.
Eating breakfast at home can provide one unbeatable advantage: control.