Before a vote is counted, this much we know. More results than ever will involve the winning party getting a disproportionate amount of power, considering the number of votes cast for it; fewer people will get what they voted for. The ever more random roulette wheel of our voting system will produce wildly odd winners and losers.
Our never-fit-for-purpose first-past-the-post system breaks apart under the strain of having five or sometimes six parties bunched together with no more than 11 percentage points between them in the polls.