> Ads that appear near negative content cause a 2.8 times decrease in consumer intent to associate with the brands
https://www.marketingdive.com/news/consumers-believe-brands-...
Back to back videos (YouTube) makes it harder
> OMD has found that people associate commercials with content when they appear in a linear format, meaning a bad video could taint a company’s image
https://www.cnbc.com/2017/03/20/google-online-advertising-ad...
You can read this if you want to learn more: https://www.iab.com/wp-content/uploads/2020/12/IAB_Brand_Saf...
You won't find any brand safety guidelines that prohibit advertising next to uncontroversial content. Because it's the controversy the content causes that is the issue, not the content itself.