Controlling what information people have access too is one the greatest tools of manipulation our ruling class excersises. It goes from Simple examples like major news outlets only showing or writing about stories that line up with their political views, to China or North Korea blocking large amounts of content on the internet. It's all mind control. They need us to be the good little worker bees that will bring them profit and not take to the streets in outrage, and increasingly that reguires a skewed (censored) viewpoint to accomplish, so they make sure to provide that by any means available to them.