She notices, which is most of the battle: recency, authority, and corrections resolve the routine conflicts automatically, and genuine contradictions surface as questions to a human instead of being silently averaged into mush.
Conflicts are information: the pricing page disagreeing with the sales deck is a thing someone should know, and a memory that consolidates with sources can see it in a way a search index never will.
When Heidi answers from contested ground, she says so, 'the doc says X, but Falk said Y more recently', which is exactly what a careful colleague would do.