I think I've used this defense mechanism because of low self-esteem at times. Scientific is usually based on true, proven facts. The artist is more intuitive and is generally based on feelings. This drives my wife crazy and doesn't work well in my marriage, but I can't help it. Because people do not like to believe in something new, and resist change to new theories.
People have to think they know what they are doing.
If not, then they become confused or chaotic. What they say is right and what you say and do is wrong. History shows that tyrants usually had horrible childhoods and came from really sick families. Lara stated that true artists don't know the source of their own work. If someone takes the writings and does a variation on it, it is because the writer has inspired the person to do so.