If you click disagree, the site just doesn’t work at all. Instead, gadgethacks.com shows you this.
You know, normal sites make you accept the bare minimum that is required for the site to function, and give you an option to accept or reject all the tracking cancer and advertising plague.
Browsers should start enabling deleting every data from any website other than explicitly allowed ones by default.
I've been using CAD (Cookie-AutoDelete) to do exactly that:
https://github.com/Cookie-AutoDelete/Cookie-AutoDelete
Edit: I'm well aware that FireFox/Chrome support this natively, but with this I can share my exclusion rules between browsers and devices, albeit with manual import/exports.
Firefox and Chromium do support what this extension does natively.