Good point.
Also, the Conservative's relentless criticism of Trudeau is that he has no real world experience, in business, or running large organizations. 
But Scheer's resume is positively blank, other than politics. After university, a brief stint in an insurance firm, before being elected at 25. Very similar to Harper.
Thus, again, it seems, we have a politician with only a blazing ideology to guide him through the treacherous waters of Parliament and elections. This type of pol, unfortunately, is often unbending and doctrinaire (Harper??), because they have no experiential lessons in life other than their party hymn book to turn to for answers. 
Here we go again ...