> What's wrong with a spinning hard disk? The files are super easy to read, we'r...

> What's wrong with a spinning hard disk? The files are super easy to read, we're talking milliseconds, and once done it stays in the page cache in RAM

They're running a dynamic website with an API and other dynamic functions.

It's not a static fileserver.

It might make more sense if you visit the website in question: https://polyhaven.com/