Some combinations actually work better when paired up with a good supporter. The next level of team dynamics is two-unit operations, because despite characters needing to arrange themselves as best they can, it's folly to rely on all units to operate individually. We encourage you to build on them and tweak them to your own play style and preferences for maximum success.
Instead, it lists numerous strategies you can use. We state upfront that the theories here are not the only methods of beating or even playing the game. This section, above all others in the guide, is the must-read. What classes work well with others? What combinations should you avoid? This entire section deals with my favorite aspect of all TRPGs, and FFTA2 especially: the theories.