I'm not sure how Dash is expecting to accomplish this task in a decentralized/private way while still having DATA CENTERS or collocations setup specifically to run masternodes.
Datacentres are actually a damn good place to host masternodes. They sure beat a rickety home PC connected to telephone wires with asymmetric bandwidth.
They power the internet's most heavyweight worldwide demands and are an industrial class host which is what's needed for an industrial class network.
As regards anonymity - Dash uses the CASH monetary model, not the CREDIT one. So it remains anonymous wherever its servers are hosted.