Web designers, developers, copywriters, editors, small business owners, entrepreneurs, students, and professionals who are responsible for developing, organizing, and publishing content on the web love drupal.
A lot of people do, because it's powerful, available for free, has over 7000 modules available to enhance and customize it to most of the work required for an enormous number of web ventures.
It's not a system that handles everything for you.
It's a system that provides you and your web engineers a powerful and flexible toolkit to build applications from.