I wonder if Anthropic realizes the chilling effect this kind of event has on developers. It's not just the ones who get locked out -- it's a cost for everybody, because we can't depend on the tool when it's doing precisely what it's best at.
Personally, I am already avoiding Gemini because a) I don't really understand their policy for training on your data; and b) if Google gets mad at me I lose my email. (Which the author also notes.)