A better source for entangled photon pairs will come in handy for Quantum Cryptography, but Quantum Computing requires many entangled qubits.
There is no indication how these resonators could produce more than pair-wise entanglement, after all this is very different from the Josephson junction loops that D-Wave and the future Google chip are build on. These allow an arbitrary coupling via the magnetic flux (only restricted by the chip's geometry).
Regrettably, this just yet another poorly written pop-science article not informed by any actual knowledge of quantum information science. If I had a cent for each of them I'd be rich by now.