So, playing some 50 slayer pwnin noobs.. 2 guys quit out right away so its me and 3 people verses 2. naturally, it is a lot easier to win and so I begin fooling around. I kill my teamates twice, not getting booted, and then stay 'clean' for the rest of that game. My teamate was not impressed and he accidentally kills me once. I didn't get a boot screen and figured the next one would be for sure. So we continued to shoot eachother, both of us careful not to get betrayals, but he slipped up and killed me. 4 betrayals into the game, no boot screens. Now, we continue our little duel until he gets shot by an enemy sniper and is now 1-shot. With 8000+ games under my belt, I know for a fact that finishing an enemy's kill will grant the enemy the kill. Not this time. I shoot my pre-weakened teamate, I get the betrayal for it, booted.
Of course similar threads have been posted dozens and dozens of times, but I feel cheated by the system. I always knew the bootscreens came at a more random-ish time, but I've got no idea why i got a betrayal for shooting a teamate who was shot by the enemy :(.
anyways, I'm now sittin in the lobby, now 28 exp from my 5star general, instead of 26, and I'm not too happy about that.