This is exactly the correct response to this article. He is looking for features this platform is not intended for. Developers have mutated this system by building a ton of plugins that extend WP to match a full featured CMS, and to be honest that's what most people look for, an easy solution to extend a website and connectivity with the popular API's like twitter, dropbox, flickr, crm's , etc. But you should be aware of its limitations.
I've found WordPress to be perfect for small-medium sized things. Blog posts/news, static pages, image galleries, easy Youtube, dead simple social addons, etc, etc.
I'd argue that WordPress is extremely solid and mature for these uses.
