it's about blocking superfluous shit.
Like the EU mandated cookie warning, you mean? You do that too? That bloody thing is a right pain in the arse. I've already chosen what I do with web biscuits: Third party never get a sniff, first party get eaten by /dev/null when I shut the browser down.
Whoever developed "Welcome to our site! We appreciate your visit! Blah, blah, blah" overlays wants shooting with their own effluent, too. I suspect many of these new-age web developers are refugees from Geocities.