Proportional representation is a bad idea, and in every case where it's been examined on a provincial level when the voters take a long hard look they walk away from it
Would be better for sure to look at the reasons why you want it and then find other ways to achieve that which would be more acceptable to the public. If the public isn't on board then you're going to have a tough time making it happen and there's been nothing to stop someone in the future from going back to first past the post
And you had a coalition between the liberals and NDP for 4 years, and that didn't help.