The Cybrans, with unit designs not meant to stay in prolonged battles with the lightly-designed EMP stun weaponry, like to employ a hit-and-run tactic or widespread damage-dealing. Their T4-X Mobile Artillery Scathis is certainly not very accurate, but when aimed at a base, causes tremendous amounts of damage, and if it's attack outpost is ovverun, it can always drive away from the field for repair and hiding.