Interesting...
Uncharted 1's writers:
Amy Hennig
Neil Druckmann
Josh Scherr
Uncharted 2's writers:
Amy Hennig
Neil Druckmann
Josh Scherr
Uncharted 3's writers:
Amy Hennig
Uncharted 4's writers:
Neil Druckmann
Josh Scherr
Notice something? The one Uncharted game he wasn't involved is the worst and most inconsistent one.
He's literally part of the IP since day 1.