Breaking News: RPG does what all RPGs do but we will compare it to only what one well know RPG does instead of simply saying it's an RPG that does RPG things.
They could have said any other recent RPG game and it would have applied. Using Baldurs Gate 3 is probably just because Avowed is in the Pillars of Eternity world which was another isometric game, but still it's just an RPG. It could just be channeling Pillars of Eternity instead of Baldurs Gate 3. Why do we have to use Baldurs Gate 3 for every comparison out there?