I ate zombies wrote...
Am i missing something? Its just hoarde mode isnt it. I cant see any team deathg match or capture the flag style mp. Its just against bots. So you max your weapons out ect to beat the bots? Tell me i'm wrong plz 
It is - but the waves change it up.
You might have to take out specific enemies, hold a position while someone hacks something, re-activate several points around the map.
Even just against cerberus - your best laid plans can go out the window when two cloaked phantoms tear your squad to pieces or at Atlas lumbers up into the litlte room your squad is squatting in.
Its fast, its fun, it has a lot of team elements - the misison lasts about 20 minutes give or take what happens, and the commentary and wave missions feel like you're doing more than just killing bots.
Its never going to be BF or COD team multiplayer - but its still pretty awesome and you never really feel isolated. Your sqad is never far away.