Denigrate implies strong disapproval and is often used to suggest unjust or undeserved criticism. The article seemed to denigrate the entire genre of romance novels.
Pro Tip 2/3
Power Dynamics
Often used to describe someone in a position of power unfairly criticizing someone with less influence. The boss shouldn't denigrate his employees in front of the whole team.
Pro Tip 3/3
Subtlety
Denigrate can be used subtly, without direct insults, by implying or suggesting negativity. Her tone of voice was enough to denigrate his idea without an overt insult.