Great post, OP. Elite QBs can beat top defenses in today's NFL.
And let's be clear about these two special guys, Mahomes and Allen, who are in a separate class for playoff football:
-They have canon arms and are generally accurate
-Are incredibly resourceful and surprisingly accurate on the run
-Can contribute 40-90 yards of rushing, often with high YPC. They are true runners
-Make good decisions
-Both these guys also happen to play on talented, well-rounded teams with good coaching.
Herbert might soon be in the same class as these two.
Dak isn't extremely mobile anymore, nor is Burrow, Carr, Brady, Rogers, Stafford, Cousins.
There are top QBs and then there are these uber-athlete, great QBs. Whew, tough to beat that!