Remember the old Hollywood saw about how everyone in Los Angeles–gardeners, cashiers, accountants, short-order cooks, etc.–is writing a screenplay in their spare time? These days it feels like the exact same thing is happening in the videogame industry. Everyone, it seems, regardless of one’s station in life, has an idea for a can’t-miss videogame pitch. Not all that long ago, videogames were these impenetrable, mysterious objects. Case in point: old-school arcade cabinets. The few times in my life when I’ve had the opportunity…