The problem isn't using SBMM at all, the problem is linking it up with manufactured discontent and near-miss psychological responses right out of the gambling industry in order to milk lootboxes.

Which is always sort of how tech goes these days. Someone comes up with something cool that enhances things for everyone, then some fucking asshole perverts it into a revenue stream.

After all, the whole local / regional / state / national championship organization of sports is effectively Skill-Based Match Making, and it's been around forever.