"Blog commenters" refers to individuals who leave their thoughts, opinions, or feedback on a blog post by writing comments in a designated section below the article. Full definition
What I don't get is why she doesn't realise that she is being held to a higher standard than some anonymous blog commenter, precisely because she is who she is. (realclimate.org)
They're there to help you, they know far more about how to figure out how to look thing up than most of us amateur blog commenters. (realclimate.org)
If you didn't look it up for yourself and just relied on blog commenters for information, it would seem reasonable to conclude they don't know what they're talking about. (realclimate.org)