Applying a strictly New York-centric yardstick can prove disadvantageous.
This can prove very disadvantageous in combat situations with no clearly drawn frontline.
This proves disadvantageous to the Rebels in the upcoming Battle of Endor.
In the long run, however, die name proved disadvantageous, because it does not describe its overwhelming importance nor the living connection it has with everything in the universe.
"Because nearly every circumstance that worked to Nelson's advantage proved disadvantageous to Downie, the Battle of Lake Champlain is sometimes called the False Nile by the English."
A notable feature of the Moriori culture, an emphasis on pacifism, proved disadvantageous when Māori warriors arrived in the 1830s aboard a chartered European ship.
While stellar crowding proves disadvantageous to habitability, so too does extreme isolation.
However, this eventually proved disadvantageous as the Byzantines sought to restrain the efforts of foreign powers to undermine the empire.
At times the Mussolini surname proved disadvantageous to his career, and early on he would often play under an alias in and around Naples.
Hence, this "bailout" for the states set a bad precedent and may have proved disadvantageous to the economic progress of the states.