I wish this thread was slightly more serious...
I hope I am making the right assumption that the Missile barrage ability is now destroying ships extremely quickly (10 - 15s is quick in this slow paced game) without the need of other supporting ability. (Namely, it outclasses most of the other Lv6 abilities)
The logic observed backing the Marza's unmatched power is that the TEC fleet overall is much weeker. Therefore, a unit with an uber ability that can be used alone without synergy is needed. This does not come along as the best method of balancing.
Take RA as an example, before 1.1 some claimed that Vasari are weak(especially economically) that the unending tide of dark fleet is to balance the game. That kind of justification is similar to the current Marza case. I personally do not think Vasari needed RA to balance them out but RA really tipped the favor far too much into the player once it was researched. Same goes for Missile barrage, the difference of having it and not having it has such an instant and immense difference. The changes in 1.1 regarding RA, distortion field and repulsion are all aimed at reducing this kind of effect.
If the argument that the TEC itself is too weak is valid, it should be balanced by something else instead of an uber Lv6 Marza. The TEC is supposed to outbuild the other races by gathering resources faster ,building stuff more cost effectively and faster. Buff should be made to these economical advantages so that they can compete.
Of course, I am basing my reasoning on the assumption that Missile Barrage is far more powerful than other Lv6 ability used alone and Marza as a ship itself becomes an OP unit once reaching LV6.