Matchmaking Team Arena Variety

I have been playing a lot of team Arena mostly because CTF is and has always been one of my favorite Game types. However, I feel like the weight of its occurrence is less then all the others. Which is strange to me because there are a few game types in team arena that already have their own playlists. For instance, why is slayer in the team arena playlist? Why is Breakout also in the team Arena playlist? AND WHY DOES STRONGOLDS COME UP 75% OF THE TIME. That is the worst game type 343 has come up with in my opinion. Also, where is oddball?

Is any one else noticing this and or agree that slayer and breakout should be out of the team arena list? Has anyone heard anything about 343 rearranging the playlists?