I imagine this is because the journos and editors aren’t fully aware of the marketing department using google tag manager to bloat the site with all kinds of bullshit without engineering oversight. They can shove whatever they they want on the page just by copying and pasting snippets.

Hence why QuantCast or whatever blocks your view with a confirmation banner in the most intrusive way, every time you load up a site in the EU.

“We value your privacy,” indeed...