Well, gosh, you have a point. Jimmy Akin may be just about the only person left in the Catholic faith that still uses the term “mortal” sin.
On the other hand, for the sake of assessing one’s state of grace, it’s not hard to understand that, for example, there is a difference between, say, adultery and driving 5 MPH over the speed limit.
The speed limit is mans law not Gods There is no eternal penalty for driving over the speed limit