But the second and more subtle issue is a persistent problem of typecasting – a deeply embedded view that regards certain topics as "black" and the rest as "white".
The topic can be obvious, like "My Thoughts on Seeing Wicked for the First Time," or it can be a subtle theme that ties the post together unexpectedly at the end.
But the thriller, which revolves around a seemingly normal man with a successful job who stalks, butchers and eats women, is more subtle than that topic might suggest.
A person with more spatial intelligence is assumed to create richer images of spoken or written language, and he or she is thereby better able to see contexts and more subtle aspects of topics.
The relationship between the gene of classical (pre-molecular) genetics, and the gene of modern molecular genetics is a subtle and much discussed topic (Beurton, Falk and Rheinberger (eds).
Individual crime types are found distributed across different topics, suggesting subtle variations in behaviors and situations underlying those crimes.
One of the children usually gets started, telling us about a dream last night, a story which will never end if we don't find a subtle way to change the topic of conversation.
Believing his fellow students have lost their conservatism to a mix of apathy and professorial indoctrination, he has planned a rally for Friday afternoon involving costumes like Dr. Obama (a jab at the president's stance on health care), the Grim Reaper (a less subtle jab on the same topic), and Uncle Sam.
Seemingly oblivious to how his words are perceived, Mr. O'Neill sometimes dives into analysis of subtle policy details on hot topics of the moment.
