I don't quite know what you mean by personal fandom presence. thehoyden is a multifandom BNF but she's never been known for having an engaging social media presence. When I think of that kind of BNF, I think of gyzym.
I associate BNFs generally with multiple tropey longfics that may be good or may be only competent and stock standard otherwise. But either way they will get read because people like longfic.
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Re: Exchanges, etc - hockey rarepair exchange
From: (Anonymous)I associate BNFs generally with multiple tropey longfics that may be good or may be only competent and stock standard otherwise. But either way they will get read because people like longfic.