It reads to me more like the title is 'flamebait' if you like, and you've been baited by it; what the article actually seems, to me, to be saying is 'POSIX good

It reads to me more like the title is 'flamebait' if you like, and you've been baited by it; what the article actually seems, to me, to be saying is 'POSIX good, but many things use S3-like object storage, we need a POSIX-like standard there, by the way we make cunoFS a POSIX-compat layer for "S3-compatible"'. Incidentally, my own reading of the title was as if it was going to be defending POSIX against someone who'd said it was outdated. 'POSIX considered outdated' type blog & response.