If the intention of the post were to boast of heroism, then you're right to point out that simply reproducing doesn't make one better than another. To me however, it seems he meant to inspire others in a similar situation who want to do what he did, but are doubtful it could work.

Some people find it difficult to believe they can accomplish something until it's been done by someone else. His blog post is great inspiration for those who weren't sure it was possible, and great reassurance for those who knew it was possible but had few examples to relate to.