It is common place to find managers of complex, high risk, and business critical processes, making operational decisions using data gathered and manipulated within a series of spread sheets that have grown organically over a period of time.
Technology is clearly not a pre-requisite in developing and maintaining good processes. However, when it is used, I believe that a BPMS should be the first choice for managing processes rather than spread sheets.
Limitations of Spread Sheets
Spread sheets were designed to support modelling and they are fantastic for this purpose. They were not intended to manage operational processes where the requirement is to track task assignment and completion versus targets (granted that many managers would disagree with this). They present a number of key challenges when they are used in this way, including: