Do deepfakes ironically make blackmail harder?

What if the result of deepfakes is the opposite of what everyone expects? Like because it will be so easy to fake a video of someone, anyone can deny that any video is real.

Like there’s this article worrying about how a foreign intelligence officer could blackmail a diplomat with a deepfake video of the diplomat having an affair with not his wife.

But now, because of this technology’s prevalence, does it make it harder to blackmail someone?

Let’s say the diplomat did have an affair with not his wife. And then a video of it surfaces. Can’t he just say that it’s a deepfake?

What is the threshold for believing something now?