Here we go, response from my latest email to please escalate this issue (underline mine)
Hi XXXXXX,
You recently contacted our customer service team. Our records indicate your situation was resolved.
What our records can't tell us is how well we really did.
Only you can tell us that, and there's no better time than when it's fresh on your mind.
Click the button to take our super-short, totally confidential survey. It takes less than a minute and helps us serve you better.
Thanks!