As model competence rises, the bottleneck moves to choosing criteria, packaging questions for people, accepting results, and refusing to treat unread generated text as finished work.
New Runtime reading: The sources are heterogeneous and do not prove a universal law. Together they form a qualified operating-model hypothesis about human I/O and acceptance.
Evidence boundary: this item uses the listed public sources and keeps vendor, author, or reporter claims attributed. The queued page is an editorial synthesis, not an independent validation of every reported metric.