This article from freshbusinessthinking.com would suggest it could be.
SharePoint forms the cornerstone of Microsoft's Business Productivity Infrastructure. It delivers the foundation for Collaboration, Business Intelligence, Enterprise Search and Enterprise Content Management solutions from Microsoft. Having all of these capabilities delivered by one product makes SharePoint a fantastic opportunity to get a lot of ROI in a lot of places with one single investment.
The challenge, however, is understanding which challenges to address with SharePoint first.
This whitepaper tells the tale of a few customers who have used SharePoint to help them save money. Perhaps one of them is the inspiration you've been looking for.
PingBack from http://microsoft.linkedz.info/2009/04/26/is-sharepoint-the-right-investment-right-now/
As long as SharePoint helps managers to create an effective business strategy i don't see why it should not be used.