Google maintains that its breakneck growth will inevitably attract greater regulatory scrutiny, and that it's done nothing wrong in connection with other probes.

WSJ: Google Near DOJ Settlement Over Online Drug Ads

Yet though there is much to criticise about the way in which that privatisation was carried out, and much now to be reformed in the way the railways are run and regulated, to draw a connection between privatisation and the crash would be wrong.

ECONOMIST: For the sake of a red light