Just to say, I don't believe everyone on the pro palestine March is antisemitic either - I believe the majority at least believe themselves not to be.
However, by a movement in itself being 'Pro Palestine' rather than for example 'Pro Peace' it is already actually standing for the opposite by continuing divisions. I describe myself as being pro ceasefire along with the return of the hostages and the end of Hamas. A pro-palestine or pro-Israel March offers no nuance - in Israel itself the families of the hostages hold pro-ceasefire rallies, but outside Israel these marches get consumed by and spread a message of hate for Israel.
Israel being a country itself made up of refugees from Israel and the Middle East who were effectively given land because we were going to be murdered everywhere else - no one wanted Jews in their land but no one wants Jews in their ancestral homeland either?
anyway I'm getting off topic again, my point is that while I don't believe most of the pro palestine protesters are anti-Semitic, they are marching alongside people who pretty openly want Jews dead. Many of them are marching without really knowing what they are marching for which is why you see mass chanting of slogans people don't even know are antisemitic.
if someone was like 'I don't support punching Jane in the face but these guys who do support punching Jane in the face also believe in my cause and want to come to my protest (and wave some banners and shout about punching Jane while they're there) so I'll March with them' do you think Jane is going to feel safe at your March or with you in future? I think she'll always be wondering if you want to punch her too.
When people let others holding pictures of Israel being blown up or messages with Nazi slogans like 'we need a final solution for Israel' and wearing Hamas pin badges March alongside them it doesn't matter really if they themselves feel they are antisemitic.
Also I'm Iranian and ask pretty much anyone in the diaspora how much influence Iran is having over the groups at the heart of organising many of these protests and you'll be shocked. For me personally it's another reason to be afraid of them - Iran is somewhere I could not go without being imprisoned and there are people here who are very vigilant for the regime.
Also, being anti Israel's government and its current policies is not being anti Zionist- I agree, criticising Israel's government is not antisemitic (though I find it strange if you're not holding Sinwar up to even stronger criticism, and no one seems to be) - there are huge protests against the government in Israel but these aren't anti Zionist protests.
Being Zionist means you believe the Jews have a right to a homeland. At its basic level that is all. Being anti Zionist means you don't believe that. And it is antisemitic. Saying you hate Zionists when the overwhelming majority of Jews have Zionist beliefs means you hate most Jews.
For some reason the only people who try to tell me I'm wrong when I explain something racist has happened to me because I'm brown are right wing but the left are now happy to tell me as a Jew that when I tell them something is antisemitic I am wrong. Can anyone explain why it's ok to tell someone of any minority that the bigotry they experience isn't real?
Honestly I think there should be another word for criticising the government of Israel without wanting to see the destruction of Israel. Antizionism isn't it.
Anyway all this to say that if the Pro-Palestine protests were peace protests I would attend them. As things are I have no interest in stopping people protesting for Palestine specifically if they want to - at least I can stay away as I know I'm not safe there. But finding the same flags and banners flying at pride marches and counter racism marches which should be a safe space is going to make me anxious and feel unwelcome there. I truly hope you can understand why.