They are two main reasons why Principles are important in PRINCE2.
1. It makes it easy for an observer to see if PRINCE2 is used appropriately.
Is an organisation following PRINCE2 or is it not?
As it stands, there are many ways to manage projects and PRINCE2 is by far not the only one and some company may prefer to use their own method, and that is perfectly fine. In most cases we find that even then there are many similarities with PRINCE2 and it would be a close match.
2. It enables teams to know where they stand.
By following the Principles you will stand a better chance to succeed with your projects.
That's a fact.
Experience over many years has shown that projects which stick to those principles increase their levels of success.
This is reassuring for those who are in charge of projects and they should stand behind the principles as it allows them to know how projects are progressing and if they are on the right track.
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