Many of those silly warnings are inserted by Javascript code running on the page. Installing NoScript and by default blocking all Javascript blocks any of the

Many of those silly warnings are inserted by Javascript code running on the page. Installing NoScript and by default blocking all Javascript blocks any of the 'we use cookies' warnings that are inserted by Javascript. I see very few of those warnings myself (NoScript in default deny all JS mode), beyond the ones that are hard-coded directly into the HTML page.