The entire notion of 'splitting the opposition' is false and...

The entire notion of 'splitting the opposition' is false and without any basis of truth. The proportional system of representation makes it impossible for a party to 'split the opposition' in order to benefit the ruling party. The electoral system allows every party to gain representation in direct relation to its support. Even if a party doesn't win a single ward, it would win representation in proportion to its total ward- and proportional votes.