I think I have been accidentally but only because I used to be one of the most active people in certain fandoms in terms of producing fanwork and organizing communities and events.
I wouldn't do it again because I don't have that level of time and energy to devote to fandom any more.
Re: Would you want to be a BNF?
I wouldn't do it again because I don't have that level of time and energy to devote to fandom any more.