When applied properly, we believe the WIPO tool can still have a significant impact on simplifying patent searches and otherwise. We will continue to use it where appropriate, with the caveat that complete reliance on this tool will not provide you with the results you need in many cases. Be sure to always have human involvement when filing a patent!
The following article is a link to an update on WIPO's tool and PATENTSCOPE:
http://www.opengovasia.com/articles/8053