ITSM 2011-01-25: New words for old concepts
Deming & Drucker both warned against buying into fads. ITIL was established by the UK govt and developed extensively by IBM. Much like PMI it has evolved into a commercial beast churning new books, course, and tests. Not surprisingly IBM and others have taken ITIL to a new level of commercialization with endless products, software modules, and consulting engagements.
It is good for organizations to develop a methodology that incorporates standard language and processes for relatively universal concepts and requirements. However, switching methodologies to keep up with popular fads makes about as much sense as requiring your workforce to switch from English to French on some arbitrary calendar date recommended by a business process re-engineering consultant.
Some of the things which came before ITIL:
PMI / PMP
SEI / CMM
Telcordia / Bellcore
ITU / IEEE / IETF
21 CFR Part II