For my company, the airfields are already surveyed and for the 380 ACN isn't always an issue as we have more wheels so it's less than a 777 I believe.
We have airfields categorised into suitability for different events, these run alongside the Airbus philosophy of LAND ASAP and LAND ANSA and medical issues.
The biggest issue is pax handling once on the ground, which requires a bit of prior planning and organisation. Airfields have had bigger stands and more airbridges put in but not necessarily had to strengthen runways etc.
The crew obviously believed that there were further issues than just a basic inflight shutdown and so therefore elected to divert to the nearest suitable piece of concrete.
Outcome was that aircraft landed safely, no passenger injuries and the crew did well in a very stressful situation.