They are populist and without concepts. However they attract lots of voters because the traditional parties are failing at governing. This topic however is way more complex than that and I think has very little to do with Austria in the second world war or afterwards.
> and having the largest amount of neo-nazis
Most likely, but I doubt we have more neo nazis in general than other countries. But I would love to see statistics on that. We're one of the few countries that have strong punishments on this sort of stuff.