I used to believe that determinism was irrelevant and that it was the same thing as fatalism. Now I understand that the basis of all philosophy and science is the law of cause and effect.
A philosopher asks questions and thinks about why things happen and how they work. Once they have a theory about how something works, then they can turn scientific and try experiments to test it.
However, any question asking “why” assumes that there is a “cause” for something. Everyone acts as though they believe determinism is true because it is so obvious.
For example, why did I write this post? Because I wrote another post about determinism being irrelevant. New information caused me to see I was wrongly confusing determinism with fatalism.
Now I see that determinism is compatible with my theory of relevance which is what most of my posts are about. Specifically, a cause and effect are always relevant to each other.
As the person who wrote this post, I am the cause of others reading it. After they read it, this may cause them to understand what I am saying and maybe comment. The desire for communication is what causes all blogs, social media, and books to exist. The evidence that we crave relevance is irrefutable.