&#62;&#62;Not everyone has the same Google Page Rank on sites they control.
&#62;People who have already established a reputation online will have greater voting power. Why is that a bad thing?<p>Because your reputation in itself doesn't make any particular statement interesting - people with no reputation may have exceptionally good things to say and it's a lot harder to float these up the site if we're relying on Google's hidden algo as opposed to just clicking an upvote button.