Originally Posted by
StouterTaru
The are constantly balancing everything, having a more diverse skill set wouldn't bog the developers down. The overpowered methods (Titan-Egi vs Ramuh) are quickly nerfed, while the quirky player strategies not considered during development are often left untouched. If Goad were available for Jobs to cross class, it would be nerfed down to 100-150 TP as a cross class skill, and traited in to full strength for ninjas.
ps - I'm not the one to suggest the system, I'm only discussing the suggestion.