It was never a paradox.
You just need to acknowledge that there is a limit to how tolerant the world can be. Maybe it is at 100% but there is a limit.
Then you just need to show that tolerance towards e.g. Nazism result in less tolerance than being intolerant to it.
It is (at this point) an old meme.
https://knowyourmeme.com/memes/programming-socks
It is similar to this meme too.