Back in 1933, the Germans representatives voted in a very similar way, giving Hitler absolute power through the Enabling Act. The British had not yet lost their minds in 1933:
The British Ambassador to Germany watched these developments with increasing alarm and, having seen Hitler rip up the constitution, wrote: “We are living in a country (Germany) where fanatics, hooligans and eccentrics have got the upper hand.”
I expect the German Ambassador to the UK to have very similar feelings regarding yesterday's vote...
More about the Enabling Act: http://www.historyinanhour.com/2011/03/23/enabling-act-summary/