Assaf Arkin questions a recent report indicating SOA failures, rather the success of web oriented architectures (WOA). He points to the survey results in an Information Week article, which suggests that

IT pros have expressed skepticism about SOA’s promised return on investment. A 2007 InformationWeek Web survey of 278 IT pros found that 32% of those using SOA said those projects fell short of expectations. Of those, 58% said their SOA projects introduced more complexity into their IT environments, and 30% said they cost more than expected. Out of all respondents using SOAs, just 10% said the results exceeded expectations [which is confirmed by a survey by] Nucleus Research, which found that only 37% of 106 organizations it surveyed actually were realizing ROI from their investments in SOA technology and programming.