My problem with MM is that the 4 main abilities are channels/casting time. I like to move around a lot especially in solo queue when I dont have a reliable healer. SoS, Cull, Ambush, Snipe will do tons of damage, but if a Cull or SoS isnt fully gone off then you lose that valueable damage. I much prefer Engineer/Leathality mix or sometimes full Engineer for caplock objectives. With those, you arent crouching in one spot and able to move a lot more. I always outdamge the MM in any warzone. Plus the AoEs are awesome. I will agree though that when I played MM first learning Sniper, I was able to rip through tanks with Shatter>EP>Cull. However, I will never go MM as you are literally a sitting duck waiting for a Mara/Sent to rip right through you.