I'm reading the transcript of the video and he talks about a form of attack where fake emails are sent from spoofy addresses demanding positive review takedowns

I'm reading the transcript of the video and he talks about a form of attack where fake emails are sent from spoofy addresses demanding positive review takedowns and making legal threats. I wonder if that's a possible explanation of the life shield email he got. In the seomoz article find "It's even more terrifying, but they sent fake emails" to get to the relevant part.