Can someone explain please?

@rockyboy1998 1.27 is still a lot better than a majority of the people playing when you take into account that people think it's fun to spectate someone after they've died and their banner has timed out. Even moreso after realizing that a majority of the player-base thinks it's an enjoyable time to loot for 10 minutes and get wiped on the first squad encountered. 

I'm at 3.15 K/D overall, and 1.97 for this season (I quit playing a week after S6 hit) and honestly truly you're not going to find good teammates no matter how good you are. Or if you do find a good teammate, it's so few and far between it's basically not worth mentioning. But cause you're "better than most" you're going to go up against all those dudes who play Apex as a full-time career because SBMM purposely matches up "good" players against "good" players, while giving them "bad" teammates. 

@rockyboy1998 outside of practicing your own skills (movement / aim) you're really not going to consistently feel like you're improving at all, even with a premade team. It's a kick in the teeth to win the 1v2, get downed by the third enemy, and realize your teammates are either both downed because of said enemy, or they just ran off on their own. 

I'd say, give up on trying to consistently improve. Practice your aim and movement outside of Apex, and rather just try to have fun on a game to game basis.