There have no doubt been cycles when even highly politically engaged folks were somewhat on the fence and a debate might nudge them one way or another. This is not one of those cycles.
I agree with this, but I'm also a little worried that we've got younger/leftier voters that are waffling between "Biden" and "sit this one out", and none of this is helping sway them toward the former.
This is why I always read transcripts of general election debates and only watch the primary ones - by the general election I know enough to have made up my mind and reading is the faster way of absorbing any genuinely new policy proposals. But that means ...