At some point, they have to disclose they are an ad or the FTC can come after them. That's why Youtubers disclose it, and why Facebook goes through a ton of wor

At some point, they have to disclose they are an ad or the FTC can come after them. That's why Youtubers disclose it, and why Facebook goes through a ton of work to create a human, but not machine, readable "Advertisement" disclaimer.