What is the value to predicting things other than stroking ones own ego?
For a compelling book-length treatment of this question, see Philip Tetlock's Superforecasting:
https://en.wikipedia.org/wiki/Superforecasting
This project was spun off from the book and is my favorite online forecasting site:
He understands that when this and this scientific breakthrough happens it will be applicable as a or to a technology and then he creates patents for that.
He has quite a lot of patents and make good money on it.
Not judging just saying.
Your comment, on the other hand, is basically serving as a downvote-as-a-comment.
For example people who manufacture things usually offer a warranty period because they have a fairly accurate prediction model how long it will last before it breaks.
There is value in coming up with a mathematical model to predict the chances of a person paying back a loan used to buy a house.
Insurance companies run prediction models for all kinds of human behavior based on statistics.
But what is the value in random pointless predictions about when flying cars will be at thing? There's no math behind it other than intuition.
Organize your own thoughts?
Teach readers new things in a way that directly ties the information to their current experience?
And so many more.