Looks like someone actually did the project described there: https://news.ycombinator.com/item?id=39232004 https://news.ycombinator.com/item?id=39232004 The or

Looks like someone actually did the project described there: https://news.ycombinator.com/item?id=39232004 https://news.ycombinator.com/item?id=39232004 The original blog post was quite negative, building something like this doesn't necessarily need a specific audience, the audience can come over time.