All of those words are necessary except 'spit'! Come on!
And if you got rid of 'spit' you'd need a different verb.
You could remove "Microsoft has no shame", but I don't think that changes whether the article title in total is clickbait or not. Clickbait would be "Microsoft has no shame" all by itself.
I think your definition of clickbait is too narrow. For me, it includes the headline trying to gin up a controversy. But I don't really want to argue about it.
entirely clickbait, ambiguous, over the top, all fluff
> Bing spit on my ‘Chrome’ search
comically, suspiciously aggressive
> with a fake AI answer
ah, the purpose of the article
A non-clickbait, but not very punchy alternative is:
"Microsoft's Bing Presents Pre-scripted Response as AI Chatbot in 'Chrome' Search Query"