Accept the cookies and flush them out every time you close the browser. I think it would be naive anyway to assume that clicking no on a cookie banner would achieve much for your privacy.
Why even ask for the cookies if denying them doesn’t achieve much?
It’s naive to think that cookies are the only tool used for tracking, but they are the most powerful tool for web based tracking.
No, shan’t give them the metrics :)
So-called "cookie banners" usually ask for your consent to much more than optional tracking cookies. By accepting you might be giving your permission to e.g. track you through various fingerprinting methods, build a profile and share it with advertising partners.