The Aldeburgh Prize shortlist's "lack of experimentation"

In this review essay in today's Guardian on the shortlisted books for the Aldeburgh first collection prize, John O'Donoghue notes "the lack of experimentation" and warmly mentions, from the Forward first collection prize shortlist, Steve Spence's A Curious Shipwreck. There's already a flurry of responses on the webpage, but the discussion quickly, predictably became unwieldy. Your thoughts would be most welcome here.