1. Resource hog 2. Bad code structure rooted in Zend Framework 3. Has fostered a community of developers that create poor-quality extensions or dev. shops tha

1. Resource hog 2. Bad code structure rooted in Zend Framework 3. Has fostered a community of developers that create poor-quality extensions or dev. shops that will bleed you dry. 4. Not built to work well out-of-the-box with the various caches you'll need to make it usable. 5. Horrible docs It's not worth the headache.