1. Different people have different takes on matters. While neither is lying, YWN and Haarets appear to be discussing different worlds.
One wouldn’t expect Nach to match the other side’s account of a war.
2. The hilonim “higher critical” were saying that everything in Taanach was myth, and that finding any document discussing Sancherivis seight was as likely as finding a first person letter from one of the Greek or Roman “gods”. Archeology can’t prove details (especially since we wrote on perishable substances, not clay tablets), but it does show that Nach happened and wasn’t the figment of some modern frum rabbi’s imagination – which is what they were claiming until Archeology proved otherwise.