Every one has something to say but how many want to hear or read those words. Reading can seem like so much hard work.
So much noise and it can swamp the great as effectively as the insignificant. A lucky few (relatively) rise above the background noise and generate an audience. The rest exercise their typing skills to no avail.
If only we could automatically detect the gold from the dross. Google, you think, might help but it does not do sophisticated semantical searches where meaning rather than character strings are matched. Too bad.