You’re asking the matchmaker to know a player’s personality and predict if they’re going to throw the next game, or if they’re not going to work with their team. To do this, there would need to be a system in place that can detect when teamwork occurs, which is very subjective.
Correct, this is the way the matchmaker avoids subjectivity. Stats and data are the way computers “understand” the world. If you’re playing well, it’s your stats you would want your rank to be based on.
How does a matchmaker detect this, as it’s completely subjective? And why should it care? If your team is a dysfunctional bunch of clowns, what should be done? Should the loss be less severe? I think a dysfunctional team deserves to lose against a coordinated team. If your point is that a matchmaker should avoid making a team that will be dysfunctional, how can it know when this will happen?
If you’re feeding all game long, you should switch.
However, this situation most likely leads to a loss, in which case the tracer still loses SR.
Tanks and healers may be disproportionately affected by the quality of teamwork. But they still climb almost as easily as lone-wolf DPS simply because they are almost always necessary for the team to win.