These ads have the logo of the news station. SPONSORED as in claiming the news station paid for the ad making it look more official or giving an illusion of journalistic integrity or approval by the station.
Do these stations even know their copywrited logos are used as official campaign ads? Does that compromise their ability to cover the election? (Yes I know they're corrupt AF and manufactured consent) but did they give consent to the campaign?
Forbes
Here's a CBS Evening News one trying to sell people on 
You go to the menu to see the sponsor and this is what comes up.
Advertiser is VERIFIED by Google - BIDEN FOR PRESIDENT
Also The advertiser is responsible for the accuracy of this information which Google has not confirmed.
It seems like something that should be documented, legally checked, and I would love to get statements from the "news" stations who are "covering" the election and their trademarked logos slapped on ads especially under the word SPONSORED. Kind of muddy yea?
Still feels scummy, especially given how its being published on news channels. I'd like to think that people who find and watch these videos would know that these aren't really news articles, but years of helping people with their computers lead me to know better than.