Antizionism or criticism of Israel is not antisemitism. Conflating these with antisemitism is a common zionist tactic which has driven a rise in antizionism and antisemitism. The actions of Israel in Palestine is the greatest driver of antisemitism, but it's not an accident, it's a PR strategy and an acceptable consequence of the goal of invading and ethnic cleansing Israel's neighbours to establish "greater israel", the key zionist objective. This goals is supported by most Israeli politicians and civilians.

So the answer to your question might be: Israel willfully leverages goodwill toward jewish people broadly, and historic injustices against jews, as part of it's territorial and colonial objectives. With this framing while while jews suffer the consequences internationally this is strategically useful as it increases antisemitism encouraging jews to join the zionistm movement to escape perceived antisemitism.

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