Ridderbos, in Studies in Scripture and its Authority, writes:
When new light is cast on the Scripture, also through the investigations of historical science, the church has to rejoice, even though this may compel it at the same time to be ready to reconsider and redefine theological concepts related to Scripture, 35.
In his Reformed Dogmatics, Herman Bavinck writes (following a section dealing with discrepancies in the historiography of scripture and the use of citations) that:
On these points the dogma of Scripture is far from being fully developed and leaves room for many special studies, RD, I, 447.
Perhaps people like Enns are most obviously following the invitation of Ridderbos and Bavinck.