But the way I interpert is there was much anti Jewish feeling in Germany during the 30s, and it was on the back of this that the Nazis came to power.
Quite a few historians would take you up on that, but that's another debate...
Charlemagne wrote a great piece in last week's Economist comparing the current situation to the one in the '30s and made some interesting points. For one thing, we might be heading into a comparable recession, but unlike in the '30s where ajbect poverty pushed people to extremes, welfare safety-nets now exist where they didn't before. I can't see anyone in the UK (or elsewhere in Western Europe) eating wild plants out of sheer desperation now as they did then.
[On the other hand, however, you could counter this and argue that Fascism's support historically came from broadly lower middle-class/ upper working-class circles (the wretched impoverished tended to lean leftwards)]
But even if we're in a similar economic situation, there's no political humiliation equivalent to the legacy of World War I. Sure, there's middle-eastern engagements, but the scale really doesn't compare. In the 30s, pretty much all the former Central powers (and some of the Entente) had this oppressive sense of political humiliation - and in Italy and Germany there was a real hatred of the new democratic systems that had sprung up. I'm not sure the disillusionment now is comparable. Plus remember the very real 'red scare' that existed across Europe throughout the 20s/30s due to the rise of the Soviet Union. The only comparable thing today is fear of Islam, but I'm still not sure it compares.
You've also got the EU, which not only provides economic support (though to be fair they're cutting back on it now...), but also has democratic/liberal requirements for membership.