Answer

Hello Ayal.
He’s a very interesting person, and I agree with some of his views. In this claim of his here, I don’t agree. If an event like this seems to you like “come spend the Sabbath at my place,” then don’t come. But is that an argument sufficient to prevent it from taking place? If someone wanted to hold a repentance-outreach conference in Rabin Square, would there be grounds to prevent that? Why? Whoever wants to come will come, and whoever doesn’t—won’t.
From his perspective, would it be legitimate for the religious to try, through political force, to prevent a performance that includes women in Rabin Square? Right now they are a minority, but what will he say when they are the majority and do exactly that? Just like the “liberal” horror show put on by the Faculty of Law at the Hebrew University.
As for his principled argument, I don’t accept that either. Liberals define themselves as such. It’s not only a question of dosage, but of a basic approach. The comparison to ISIS is a caricature. ISIS causes irreversible harm (it murders). Tolerance is tested when someone behaves in a way you don’t agree with, and certainly when he does so without harming you (just don’t come to the show).
He is right in the sense that the secular public here behaves no differently from the religious. Just as the religious see every little thing as an injury to their feelings (Dawkins already pointed this out—how much you have to walk on eggshells when speaking with religious people), even when there is no harm to them at all (like the Women of the Wall), so too the secular want to behave in an irrational and whiny way. I criticize these just as I criticize those. But that doesn’t mean the secular are right; it means the religious are also wrong.
 
The laws of modesty do indeed exclude women in a certain sense. They may not stem from a desire to exclude them, but in practice that is what they do (sometimes that is an unavoidable result, and sometimes it is a lack of sensitivity to the female point of view because the decision-makers were men). When you see it this way, there is room to examine whether they are all really necessary and justified.