I did, very politely....and added links to the court decisions and quotes from the decisions....they essentially blew me off with this curt response with zero further explanation beyond their original denial which said it was because the delay involved a connecting flight departing Canada and not the EU....and that is precisely what the court decisions addressed saying explicitly that if the flights were ticketed together it was treated as a single flight from the EU

"We regret we did not conclude this matter to your satisfaction. In our previous email, we provided our explanations. Continuing to exchange emails will not change our position. Respectfully, we consider this matter closed."