I'm German. At some point, the Nazi party changed the law to be able to do what they want. They were voted into a position where they were able to do that.

While I personally think that voting democrat out of fear of the alternative is far far more harmful in the long run, I had an issue with

I think if you put the responsibility on the voters and not the coalition of politicians that claim to represent them, after a while that starts to seem less like advocacy and more like victim blaming.

Calling it victim blaming feels unfair. It acts like voters are completely innocent and are absolutely opposed to their representative's actions. Even though some of their actions are unpopular - US voters support their politicians, police, army, etc... Look at how they react whenever anything unfortunate happens to any of them.

If you actively support and defend a system you're kind of responsible for it's actions even if it ignored you when you politely asked it to do something else. E.g. Despite being unjustly sentenced to death Socrates still drank Hemlock because having supported the system his entire life he had that responsibility / ethical obligation.

Nobody is doing that:

arguing over who ...

The Dems are the antifascist choice. Your system is fucked, do a revolution or vote Dems, then you won't get fascists who do all the things you hate the Dems doing plus more horrible things.