As linked through Booch, I found this article on Frameworks and how silly they have become.
If I had a hammer
Let me know if I am wrong, but sometimes it is just better to just build the software. Many frameworks are too generic for use and just inhibit actually working on the product. To go with the analysis and to go with my actual tool purchasing habits, I would rather have a large pile of tools that I have spent my resources on so that I can get stuff done quicker. Hence my distrust of tiki :)
Take a read on the article. Very enjoyable.