At least I have more than strong opinions to back up my positions
Except of course you don't. Just opinions bordering on obsession about a culture you and almost nobody else understands.
Next you'll be calling the EU the Fourth Reich.
Enough people already do, however economic imperialism will obviously do for now unless they continue use to deteriorate.
Birmingham ...Ruhr
They really are chalk and cheese; there are several regions on the island which correspond closer to the Ruhr valley. As I say, never try to understand things that not outsider in history has succeeded in understanding.
where hooded people scream and hold banners with "From the river to the sea",
We have that too. Those are largely just words from people who can do nothing, however the people with such banners do get prosecuted when it is feasible to do so. A healthy tradition of demonstrations is fine, as long as they're spontaneous rather than carefully planned and as long as society uses the full force of the law when laws are broken.
Chat group leak reveals far-right fantasies of Germany's AfD
Among tens of thousands of posts is talk of jailing Angela Merkel, calls for armed resistance, and homophobia
As I said earlier, fascists are like wolves in sheep's' clothing. They try to pass themselves off as reasonable, pretend their supporters have valid concerns or that there's some sort of existential risk to society (generally blaming migration or ethnic minorities) and when they get a sniff of power, they reveal their true face.
I'd worry about Hungary too; they're already meddling in Ukraine at Putler's behest and they're only a short drive or train ride into Germany with no real borders.