And the Trump administration has not yet committed any Holocausts or genocide yet. At this point in time it is still "future crime". The Trump admin hasn't been convicted in the Hague of genocide.
Once Trump opens death camps and starts exterminating LGBTQ people, only then does Kirk rises to the level of Streicher. Until that point, it is execution for political disagreement and free speech. You don't have to like the guy in any way for that to be wrong.
We don't want to set a precedent that the best way to change someone's political ideology is to kill them to eliminate that ideology.