Just WHO Is Economically Incompetent?

HOW MUCH ADDED DEBT?
HOW MUCH ADDED DEBT?

So, given the figures in the  graphic (public domain and uncontroversial), exactly why do people imagine the Tories are more economically competent than Labour?
It wouldn’t be because they’re constantly told this by the MSM (mainstream media)?
Goebbels himself stated that if you repeat a lie often enough, people will come to believe it…