Everyone "knows" that at around 3nm the party ends, but they haven't quite "accepted" it yet.
The train is slowing down as it approaches the end of the tracks but some will be exiting earlier than others due to economics.
I suspect it will be Intel that pushes things to the effective final limit due its strong in-house material sciences, tight integrated control over both design methodology and manufacturing, and a focussed application target driving process development.