Blood Libel refers to the belief that Judaism incorporates the murder and consumption of (mainly) Christian children. Conflating this idea with what this meme is clearly referring to (what happening in Palestine) reinforces the Zionist propaganda that Zionism (and therefore the actual ethnic cleansing that Zionists are currently doing) is intrinsic to Judaism and should be immune from criticism on religious grounds.

But I suspect you are aware of that and are here in bad faith, so in short: no u