Information is a scarce commodity. Acquiring information, like producing any good, entails the opportunity cost of limited resources. Those with more resources can secure more information. Sellers, who have a good, usually have more relevant information than the buyers who want it. There's more than meets the eye.
Every action has many effects, some intended and obvious, others unintended and more subtle.
Any action that is good for one person is likely to be bad for another. I'll say anything you want. Just tell me what you want. We've added a whole bunch of microeconomics. We now have 35 complete lessons on the essential topics covered in introductory microeconomic and introductory macroeconomic courses.