He has been on the front page of HN many times. https://www.google.com/search?q=site%3Aycombinator.com+japan...
Having $1m in rev a $1k marketing lesson isn't going to break the bank. https://news.ycombinator.com/item?id=15135372
Having $1m in rev a $1k marketing lesson isn't going to break the bank. https://news.ycombinator.com/item?id=15135372
After discounting cost of goods, operations, and taxes, $1k is not something to just write off so easily. There should've been more planning, although parent comment isn't quite the right idea.