Results of bad management of 2015 immigration crisis, and populist manipulation during the COVID lockdown powered by russian propaganda and American talking points.
In short: situation crazy, people mad, current governments no handle good, people more mad, bad people take advantage
Does anyone remember before the 2015 crisis? That could plausably have been the trigger, at least in Europe. I don’t even know if the rise of social media needs to be roped in to this.