Siebel a Dying Skill??

A report published by Global Knowledge and compiled by Linda Leung puts Siebel as number 7 in a list of Dying skills. She states in the white paper that:

Siebel is one skill that makes a recurring appearance in the Foote Partners’ list of skills that have lost their luster.
Siebel was synonymous with customer relationship management in the late ‘90s and early 2000s, and the company dominated the market with a 45% share in 2002. Founded by Thomas Siebel, a former Oracle executive
with no love lost for his past employer, Siebel competed aggressively with Oracle until 2006 when it was ultimately acquired by the database giant. Siebel’s complex and expensive CRM software required experts to install
and manage. That model lost out to the new breed of software-as-a-service (SaaS) packages from companies such as Salesforce.com that deliver comparable software over the Web. According to the U.K.’s ITJobsWatch.com
site, Siebel experts command an average salary of GBP52,684 ($78,564), but that’s a slide from GBP55,122 a year ago. Siebel is ranked 319 in the job research site’s list of jobs in demand, compared to 310 in 2008.

I persoanlly do not agree with this statement 100%, but there are a lot of factors, in my opinion, which are taking it towards it:

1. Growing total cost of ownership (Cost of the base product + support, siebel on premises has just too much functionality then most of the clients use.. breaking them into different modules/ sections may help, cost of consultants, lack of best practice knowledge).
2. Lack of understanding of how to utilize the product across the board.
3. Growing competetion from competetion (Sales Force, SAP, etc).
4. Vague future direction from Oracle, with respect to the whole range of CRM products they now have under their umbrella.

Your comments please.