> I've said in the past, I can always follow up that I've changed my mind / disagree with my past argument and the reasons why.
Yes, that's the rational way. However, with today's SJW and Twitter mobs, you don't know what someone might dig up in order to make your life hard going forward.
Mega Nazis, if they should come to exist, are going to seek to hunt people down whether or not anti-Nazis have done so first.
If you are concerned about Mega Nazis, hoping you can convince them to be tolerant Mega Nazis by the example of tolerant anti-Nazis is...not likely to be an effective approach.
Yes, that's the rational way. However, with today's SJW and Twitter mobs, you don't know what someone might dig up in order to make your life hard going forward.