In many ways, people growing up with the Web and now the Semantic Web take the power at their fingertips for granted.
Idle people are often bored and bored people, unless they sleep a lot, are cruel. It is not accident that boredom and cruelty are great preoccupations in our time.
If bloggers are to improve our public discourse - helping busy and usually uninformed people make sense of the world - it is necessary to use some sort of standard with which to judge their reliability. Perhaps the answer (strictly advisory) is a body of their peers. Perhaps not.