In Germany there's a saying: "Willst du was gelten, mach dich selten" (tranlsated like: If you wanna be worth something, make yourself rare)
Evan is doing it exactly the right way from a business standpoint. Make yourself rare, get some hype. Release a video here and there and stay covered. Otherwise people get tired of you very quickly.
You think he would increase his market value by competing 10 times per year at all the 3rd tier shows?
You see what happens to people like Downhill, overexposing themselves all the time