In the US, we have two kinds of Fascists: The Fascists, and the anti-Fascists.
You make several assertions which need to be backed up, such as the “Nazis” existing prior to antifa. Antifa derives from the communist street gangs, which predates National Socialism.
Your argument seems measured, and compared to many it is far more so, but you make assertions and move into untenable territory.
Antifa’s actions corners people and forces them into the Nazi’s arms. A damned if I do, damned if I don’t scenario. After all, if your choice is between the group in which you are on the first list to be eradicated, or the one where you are on the second list, which would you choose?