The point about the business plan and planning, is not really to be able to 'predict' accurately the future, but to ensure of having a well known project: Ensu

The point about the business plan and planning, is not really to be able to 'predict' accurately the future, but to ensure of having a well known project: Ensuring that you did think well about the threats, menaces, and what could impact your future growth. And so you have already evaluated mitigations for them.