If the news site uses AdSense, which quite a few do, then yes. But I'm not sure if Google's extra profit is that significant. Especially when compared to the benefits the news sites get.
While Google does have Facebook as a real competitor, that competition is not on the ad networks side. Google controls the vast majority of ad networks sales (i.e. ads placed on publisher's sites)
Google makes a significant portion of the value for each ad.
> For displaying ads with AdSense for content, publishers receive 68% of the revenue recognized by Google in connection with the service. For AdSense for search, publishers receive 51% of the revenue recognized by Google. [
0]
Google makes a significant portion of the value for each ad.
> For displaying ads with AdSense for content, publishers receive 68% of the revenue recognized by Google in connection with the service. For AdSense for search, publishers receive 51% of the revenue recognized by Google. [ 0]
[0] https://support.google.com/adsense/answer/180195?hl=en