If I was him I'd be shipping it immediately after seeing that. If anything it's encouraging and you should be highly motivated to make your product better knowing that there is competition out there that are actually converting customers. There's very few ideas on the internet that can only sustain one party tackling them. When this guy notices in another 2 years that there's now 3 other people who have launched a similar service while he sat idly by he's going to feel even more silly.