It does make one wonder--careless work, trivial problem, reuse of existing projects, writer portrays self as extremely productive, or some combination?
I think you're assuming bad faith from someone who has proven very competent, technical, and coherent.
It might simply be truthful. And if the author is proud of that, it is both irrelevant and perfectly okay.
Let's focus on the facts and arguments relevant to the article, not personal attacks.
