It all comes down to the science of extraction. When coffee is filtered, the water passes through the grounds and extracts the desired flavors and oils, resulting in a clean and balanced taste. But, when it's unfiltered, the water has more time to interact with the grounds, extracting more of the good stuff, like caffeine and antioxidants.
What Is Filtered Vs Unfiltered Coffee at Isabel Lacey blog
Think of it like a big ol' party in your cup - with filtered coffee, the guests (coffee grounds) are kept at a distance, while with unfiltered coffee, they're right in the mix, getting along and creating a rich and complex flavor profile. It's like the difference between a quiet night in and a lively music festival - which one sounds more fun to you?