All of those things you mention, bar the depression, came about after Hitler became Chancellor. The question is how did a racist, minority party that had supposedly been “found out” get from 2.6% of the vote to 44% in just 5 years. The answer is political and economic turmoil in the face of weak and ineffectual government. While we’re not at the mercy of the economic turmoil that the Weimar Repiblic had to contend with, other parts of Europe have significant economic issues which have led to migration and high levels of youth unemployment.