Why do people post dream questions in the Psychology category?

Question

Do they not realize there is an entire category for that?

Answer 1

I suspect it is a hangover from the time of Freudian and Freudian-esque therapies where dream interpretation was considered a big part of psychology, and that psychologists learn all about it. Some people still have this very strong preconception that dream interpretation is a very large part (if not all) of psychological study. So having searched for and found the psychology section, they may not even look for a dream section. Or they may think the psychology section is more serious (same preconception again).

Answer 2

Because there's a better chance of them getting interpreted properly by someone who knows what they talk about