I can get behind this:

…that was then, and this is now. There are quite a number of really good CMS systems (both open source and proprietary – I’d say there are a good solid dozen) that have large user bases, many developers and vendors who implement them, and their are lots of new modules and functionality being added every day. There is absolutely no way that one single web development shop can provide a CMS solution that is better in quality or functionality than what is available out there right now.

more here.