Words build a bridge between the imaginations of writer and reader, creating something unique between them.
One of the ironies of being a professional writer is that, if you are even moderately successful, the very traits that let you succeed as a writer are not much help when the time comes to head out as 'The Author.'
There are other types of public appearances a writer does in addition to book signings and readings. Each calls for different skills. None of these skills, needless to say, are those that go into writing books.
When a writer is already stretching the bounds of reality by writing within a science fiction or fantasy setting, that writer must realize that excessive coincidence makes the fictional reality the writer is creating less 'real.'