Why does it have to be 2-2-2?

Not as much, no.
Role Lock has almost completely destroyed the experience for me.

Hopefully this will fail a lot more than before, and it’s looking like it might so far from what I’ve seen at least.

Classic song.

Only after trying to nerf both tanks and supports without directly addressing the multiple AOE healing between Lucio and Brigitte that actually makes Triple-Triple even possible.