Managing custom scripts and stylesheets for different pages can be a pain in the butt since you have to keep editing the functions.php file in order to enqueue and dequeue several stylesheets for a particular page according to your needs. This have several drawbacks:
Bones is a starter theme for WordPress. If you are developing a WordPress theme, Bones will be a good starting point for you since you do not have to start from scratch. Sure, there are a lot of themes that you can modify and expand on. So why Bones, specifically?