Didn’t they expose themselves the second they were denying the Nazi salute? I don’t see what more exposure is necessary. Especially since it’s clear what their shtick is and as they clearly refuse to engage with the many counter arguments brought forward.
He did but in my opinion it's important to let them share their "research" that way you know what needs to be addressed and maybe help someone else understand that they are being bamboozled. Because as crazy as it may sound, there is a lot of people that are clueless about administrations, economics or international politics and they are easy targets for disinformation, I'm sure that you have seen it German politics.
The list that the poster gave earlier was very useful, it was total BS but these items are actually reported and reported badly.