That list shows why the carbon taxes will be the target. Those first 5 account for basically all of the increased cost of living, but they are HARD problems. Not one of those presents a simple policy change that could even make a meaningful dent, and no one agrees on even the general approach governments could take to chip away at those.
However, for the last one, politicians can promise to scrap it or carve it up like a thanksgiving turkey and, despite that having almost no effect on the overall cost of living for the average Canadian, it seems like an easy solution.