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Biscuit Museum forced to pull Jaffa Cake exhibit after backlash from McVitie’s
(www.standard.co.uk)
Posts about biscuits! We also allow Jaffa Cakes (even though they aren't biscuits, they are in the biscuit aisle, create a [META] post if you want to argue this point), chocolate biscuits and biscuit-adjacent content.
See also !tea@feddit.uk
It's honestly probably because the word is trending in general at the moment. I don't actually know if predictive text uses live update like this but wouldn't be surprised.