Some widgets you can only access when you get Core Membership. Some widgets have options that are only available when you get Core Membership. Certain widgets can only be added to certain zones. Because we want profile pages to have freedom of customization, but also to have some consistency. This way, when anyone visits a deviant, they know they can always find the art in the top left, and personal info in the top right. Don't forget, restraints can bring out the creativity in you! The Beauty of Nature.