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by modeless 8 days ago
Not the same people. Is there a name for this fallacy? Very common on internet forums.
3 comments

I take it and use it as a shorthand for "where are all the first group when the second group is out in force" and vice versa. It applies to places with a tone and tenor.
The clearest name for it I've seen is the Two Guys Fallacy: you see two guys talking on the same forum, and assume they're the same guy.