They're actually in a really good spot to bring SC > MB back to the table. The problem in XI was the need for certain classes to fit certain roles. With introducing the 'job system' in XIV they could really give each class the option to 'specialize' in two~ different roles. Think of Conj being able to play either BLM or WHM depending on whats available. THM could do RDM or BLM. Giving different jobs to melee classes would help them possibly 'unlock' different weapon skills to use for SC's. It's not perfect, but the odds of getting a good party together would be increased a lot if each class could fit multiple roles depending on whats available using the job system.