Have you seen these earlier discussions?<p><a href="https://news.ycombinator.com/item?id=9616691" rel="nofollow">https://news.ycombinator.com/item?id=9616691</a><p><a href="https://news.ycombinator.com/item?id=8844848" rel="nofollow">https://news.ycombinator.com/item?id=8844848</a>
While there's not any reason not to hire people from something like this, don't assume the person is competent just because they went to a coding academy. Assess these candidates the same as you would anybody else.