As everyone's favourite baseball coach once said:
It's tough to make predictions, especially about the future.
Or as the statistician George Box is often quoted* as having said...
Essentially, all models are wrong, but some are useful. However, the approximate nature of the model must always be borne in mind.
* There is some uncertainty over whether Box actually said (or wrote) this see
Dr Fisher's casebook: Play it again, Sam for details (stick the DOI in something like Sci-Hub.io if really interested).
