It's not sufficient to know that Mohamed Lahouaiej Bouhlel had a violent relationship with his wife, or that Abdelmalik Petitjean visited Turkey just prior to entering a church in Normandy. What's more important is to understand what they wanted for themselves in the longer term.
There may be implicit arguments involved about what policies might deliver the greatest good for the greatest number, but the core undertaking is about using the democratic process to achieve and maintain political power. And over the past half-century, the Republican Party has played the game well.
The two GOP presidential candidates have avoided criticizing each other.