OK, I did. He told people they could legally vote by posting hashtags to twitter for specific candidates. That's an unethical thing to do even if you aren't a Nazi. Should it be against the law? Well, you might look up the reason these laws exist. Hint: probably won't make Nazis too happy.
> conspired to injure, oppress, threaten and intimidate persons in the free exercise of a right and privilege secured to them by the Constitution and laws of the United States, to wit, the right to vote, in violation of…
https://www.justice.gov/opa/press-release/file/1360816/downl...
> conspired to injure, oppress, threaten and intimidate persons in the free exercise of a right and privilege secured to them by the Constitution and laws of the United States, to wit, the right to vote, in violation of…