They absolutely do care, controversy or no

> 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...