Total harassment. I can buy Tannerite targets at the local gun store. They're very popular. I have never used them because I just never felt the desire, but this is just a flimsy pretext for a good old fashioned fishing expedition by the alphabet soup gang. What really irks them is this part right here:
Myers is 26 years old and lives a financially comfortable life by making videos where he shoots guns and blows stuff up, or, more to the point, does stuff people want to see.
Ooooh! Can't have that! The phenomenon of the "viral meme" is being successfully used against them, so the Government-Media Complex is working to clamp down on viral memes that aren't of their own creation. In this case, the popularization of firearms in civilian use.