I think that people are generally really terrible at being ambassadors of their own work.
I don't think being a lawyer is more or less valuable than being a writer.
I think that genre distinctions basically boil down to marketing categories, which are outdated. Any time people have an argument about them, they're arguing about something that doesn't exist in any meaningful way that has to do with style or substance or actual content of books.
No human walking the earth thinks of himself as a bullshitter.
When you write in the third person, you get to imagine other people's interiority.
Nothing trains you better to write fiction than being really good at writing about your own interiority.