The scientific method helps you isolate problems by focusing on what's important. In addition, it can help you make your solutions better every time you go through the process.

The steps in the “scientific method” are all useful and used by most scientists at least some of the time, but the scientific process is really just the careful, organized way that scientists ...

The basic point is that the very linear process students are taught in schools as "the scientific method" does not, in fact, reflect the actual practice of science, which is vastly more complex.