something which is commonly believed but which may not have a lot of evidence supporting it

That could describe anyone's pet issue.

What topics would you like to see more of?

The math, psychology, philosophy, and economics of rationality, careful futurism, the singularity, existential risks, optimal philanthropy, strategies for rationalists and their organizations, considerations relevant to common life decisions that human biases cause to be ignored elsewhere or that benefit unusually from using our conceptual tools.