Is someone a celebrity if only two people ever read the book about them? Can anyone be a (traditional) celebrity in all this noise? Somehow I don't think this

Is someone a celebrity if only two people ever read the book about them? Can anyone be a (traditional) celebrity in all this noise? Somehow I don't think this is what was meant by the "15 minutes of fame" quote misattributed to Andy Warhol. But it's what we're going to get.