They could very well fully understand. The business of confidence men and scammers is optics. They only need to appear legitimate to certain people to pull off

They could very well fully understand. The business of confidence men and scammers is optics. They only need to appear legitimate to certain people to pull off their scams. The play is obvious here. For anyone on the fence after hearing Snowden, hearing someone even just suggest that what Snowden said was false to the point of illegality may re-convince them enough to be scammed. The people who fall for these scams hold cold hard facts as similar worth to baseless claims.