Answer and Explanation:
The main idea is that he didn’t want to let people know about his site when the author said '' Surfers traveled from California to Australia to see a closed gate with a security guard."
Moreover, "he didn't say where it was..."
And Machines that generate artificial waves attract many industries. For example, "For many in the industry, it stirs hopes of creating big destination surf parks " And so many people consider them as a pool place where a surfer can learn to surf.
But making them an ocean wasn’t a successful idea.
Surfers always imagine a perfect wave where he can surf and inventors are trying to match that level but they are failed to do so. And business people are thinking about the money, they can produce through solving this idea.