Of course we do not think that proportional representation is the answer to everything. Believing the opposite, however, would be willful blindness. It is one way to increase voter confidence in their elected officials. That said, proportional representation could increase the importance of more parties, which could motivate the various parties to improve in order to win voter confidence. It would be positive in that sense, but it is far from the only solution.
On October 3rd, 2016. See this statement in context.