Man that octagon map is straight cheese though.
I remember Neighbor battling someone back in the day on it and then the sniper spawn cheese went down after he got a kill
Dude had like 4 straight snipe headshots back to back because he knew the exact spot they were going to spawn.
Yes it does help your BR, but when playing team slayer or team type for everything a good player hardly or tries to avoid getting into 1v1 BR battles.
Put shots into the opponents and just call out that they are weak and their location.
A big noob mistake with Halo is pushing to much or trying to take on multiple enemies at once without a power weapon or power up.
Just stay with your team, hold down your side, push... as a team, put shots into opponents, do call outs, plan for the power weapons and control the map/spawns.
I'm speaking from a Halo 3 perspective though.