If you click on a google search result to go to an article, sometimes you only get to read a few words when a big popup appears and covers what you're trying to read (in some cases you can still see the edge of the article but not enough to read it). The popup might have an ad or infomation about a premium membership, etc). Sometimes you can see a way to close the popup, but not always. If you can't close it, then you can't read the article.
I seem to be encountering more and more of these popups lately. So my question is, should google demote pages and websites that employ them? what's your opinion?