There may be a middle ground between the current maximalist copyright regime and ending copyright altogether.
Average of (current maximalist copyright; ending copyright) is what you called middle ground.
Average of a sensible position like (current maximalist copyright; ending copyright divided by 2) still does not yield a sensible world where culture and art - or even human interactions - can thrive.
The trenches between the different factions are far too deep for any middle ground to have any chance.