What the talking head is saying is that the user is looking at the content they want to look at, and ads targeting the user. They're saying they aren't specific

What the talking head is saying is that the user is looking at the content they want to look at, and ads targeting the user. They're saying they aren't specifically putting these ads next to the Nazi posts. They're also saying that they if those ads just happen to show up with Nazi posts, they aren't doing anything to stop that.