so how is enemy team all silver 5 and i have all bronzes when im silver 5

Im currently on 3 game loss streak with 3 afks in a row... and now i get a under fair match making value team? for the fourth game who trolled me but i still won, so explain how is this fair after i already lost 3 and then i get the team that has a kda of garbage, is that because im too good and it trys to make it fair? cuz that isnt really fair trying to even out games, same bracket same players should be the mehtod used. like Silver 3 plays with silver 3. Games shouldnt be fair but based off skill who is the better team, if your silver 3 u play with other silver 3 and the pool increases as wait times increase but none of this he has a 4.0 kda so lets match him with that .5 kda player to balance it out isnt a fair game