Having watched a lot of strafe and seen the panels beaten I would say the training accuracy was quite good, combat may be less so. However consider CSAR, a gun is a wonderful way of deterring with several passes possible, but best delivered by a 4-ship
Brimstone, OTOH, could destroy anyone still in a vehicle. Horses for courses; in o other words a gun is an essential tool in low intensity conflict. What sort of gun is another matter.