I'd be more concerned with...not necessarily the speakers, but the researchers on whom they are relying; whether the researchers are experienced in the analytical techniques they used.
And, secondly (though they claim to have addressed it), chain of custody -- it'd also be nice to have certification that the original samples at the beginning of the chain of custody are real actual extant jab material, stored under the manufacturer recommended conditions.
And the S.A. Philippe Van Welbergen mentioned in the video is a homeopath antivaxxer. No doubt he'd recommend something more like this: Coronavirus: Can cow dung and urine help cure the novel coronavirus?
That graphene oxide is in the vaccine was denied by both the FDA and Pfizer...but of course you aren't going to believe them.
Allen Myerson, a professor of chemical engineering at the Massachusetts Institute of Technology stated "There is no way graphene oxide can be present in the vaccine".
It's fraud. Just like Q.