Incorrect. The BC-STV model is credited with being a Pro Rep system, that is to say, it would consistently produce election results that broadly reflect the popular vote. This was a specific design criteria of the Citizens Assembly. 

This distinguishes the system from others which also include ranked ballots, such as B.C.'s experiment in the 1950s called "Alternate Vote", which are considered Majoritarian systems a la FPTP designed to discourage third parties from gaining momentum and encourage super stable Majority governments.