Regarding variability in info quality, the Pro Concentration argument takes the position that:

Without professional filters, information is lower quality because most sources don't have the same professional skill or commitment to high quality information. $q,$

Info quality is achieved by ensuring that individual consumers have the ability to concentrate on the info they are consuming.

Info quality is achieved by ensuring that only a limited amount of information is released in a given time period.

Without professional filters, bloggers and others with different experiences can publish the "whole truth" from their perspectives.