How do you mean, "dominate the board?" What do we do?
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I think it means that we are consistently right about the issues, and tend to actually be original in how we express our views, whereas poor Richie can only post crap he finds online, spew small sentences that he heard Rush say, and above all, insult, insult and insult. There is nothing even remotely original about Richie, and he can't bother to inform himself about anything.
He thinks everything is some stupid ball game in which victory is essentially meaningless.