A revealing comment: the only difference between the Greens and Labour under Corbyn when it came to allegations of antisemitism was the decibel level. This was an article from the JC's Lee Harpin (who else?) in October 2018—exactly the same issue for which Corbyn was denounced. https://twitter.com/MatthewStadlen/status/1387339443984601090

As you may recall, any hesitation about adopting the IHRA definition in toto was considered fair grounds for branding a party as an "existential threat to Jewish life in Britain."

https://www.thejc.com/news/uk/green-party-fails-to-adopt-ihra-antisemitism-definition-at-conference-1.470718

Lee Harpin and the JC had a particular issue with Shahrar Ali (can't begin to imagine why). One grossly misleading story about Ali shortly before the 2019 election resulted in this IPSO ruling:

https://www.ipso.co.uk/rulings-and-resolution-statements/ruling/?id=00074-20

It doesn't end there. The media discourse around Corbyn and Labour angrily dismissed any suggestion that groups like the BOD were conflating criticism of Israel with anti-Jewish prejudice: indeed, that claim was considered to be antisemitic in itself.

https://jewishnews.timesofisrael.com/greens-to-debate-ihra-definition-and-support-for-bds/

Another point considered absolutely damning in the discourse around Labour: when your own public representatives claim that your party isn't doing enough to combat antisemitism with reference to the IHRA definition.

https://jewishnews.timesofisrael.com/green-mayoral-hopeful-on-frustration-at-ihra-motion-being-out-of-order/

Absolutely everything that was said about Labour under Corbyn could have been said about the Greens (and was said, just not as often or as loudly). Logically, if you believe the claims about Corbyn, you must also abhor the Greens. If you don't, it shows how suggestible you are.