The busiest Indian restaurants in New York City are all within a block or two of each other.
Books sell best in bookstores, surrounded by other books, their ostensible competitors.
And it's far easier to sell a technology solution if you're not the only one pioneering the category.
Competition is a signal. It means that you're offering something that's not crazy. Competition gives people reassurance. Competition makes it easier to get your point across. Competition helps us understand that people like us do things like this.
If you have no competition, time to find some.