Wang Chen-yi believes that ko-tzai-hsi had once been unified, as in that period when dou-ma and seven character meter were sung side by side, marking a new milepost in its development. But today developments have caused ko-tzai-hsi to lose its personality, which is a lurking threat.
王振義認為，兩岸歌仔戲曾合流，像當年都馬調、七字調的合一，就使歌仔戲邁入另一里程，但今日的演變使歌仔戲失了個性，實為一大隱憂。