If the actual page content is loaded and the cookie is just a modal box slapped on top of it, right click the cookie modal box > open inspector > remove the child element of body that contains the cookie box. If cookie box disabled scrolling, select body tag at the inspector and tick off the overflow and position stylings to default.
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If the sites are bluffing maybe you can too.
If the actual page content is loaded and the cookie is just a modal box slapped on top of it, right click the cookie modal box > open inspector > remove the child element of body that contains the cookie box. If cookie box disabled scrolling, select body tag at the inspector and tick off the overflow and position stylings to default.