This a list of some of my problems that I am having with MW3, could I have some help please?

Lag , Broken Spawns, Inconstant weapon play, Campers, faulty Kill streaks , un-exploding grenade’s Getting stuck in the scenery such as tree roots, aim assist get’s me killed by forcing my camera to the ground, the maps are bad and compacted which encourages unfair play, guns don’t shoot when prompted, DLC , weapons stop firing when been shot at, looking at enemy animations are misleading, limited choice of perks which doesn’t suit my game play, enemy player foot step are glitched because I can hear them from behind me when they are actually in front of me.

Playable character reactions are far to slow, getting placed into losing matches within the last minute and getting bad stats, Sound effects sound very amateur, stabbing enemies doesn’t tend to work, DLC missions are realised with glitches, getting killed in a place where you were 3 seconds ago, broken vote system, Frame rate issues on a part of a map called ‘Aground’, Sound starts to crackle on parts of the map called ‘Getaway’. The running is slow and very stiff and it feels like an old man trying to run up a hill with two broken legs while running in sludge, my gun repels from the enemy gun which is then pushed to the side, when an enemy runs past me in a small room I get shoved into the wall and I then get stuck within the wall.