This is no time for schadenfreude — but take comfort from the fact that the UK isn’t built like Germany. Being a world-leading exporter of manufactured goods — which they are and we’re not — is all very well until orders from China fade, Donald Trump adds you to his list of trade foes, your flagship car industry goes into spasm, and even the mystic waters of the Rhine get in on the act by falling to levels that impede the movement of cargo.