Not true. White nationalists do not condition their young to rule. They do not condition their young for global takeover (a regional power vs a global one: This only works if the regional power is isolated from the world, and the global one isn't trying to invade). They don't condition their young to engage in parasitic behavior (white imperialists did that but white imperialists =/= white nationalists). They don't act from the shadows: They'd rather kill, exile or loot the out-group overtly. Hence, the out-group is not blind to their efforts, and can choose to oppose them. And finally, as you said, Jews have a head start.

But where they are united, they easily prevail due to numbers (eg: Hitler turned his poor Weimar Republic into one of the most feared superpowers in less than a decade, a feat that hasn't been repeated). However, the Nazis were in turn outnumbered by the much bigger global powers who were working for a different master.

Jews are a good example of what is possible, but other people might not be willing to go that far with moral latitude. I'd recommend any civilization (including the Jewish one) to disallow immigration. I don't hate Jews or Nazis, but as a group I'd keep my distance for my own safety.