You have demonstrated that there is one prominent psychologist who holds some fairly-obviously terrible and inaccurate beliefs, and is willing to trumpet them to anyone who will listen.
This is no more an indictment of the field of psychology than the occasional right-wing "climate scientist" Fox News brings out to "prove" that climate change is not real is an indictment of the field of climate science.
Many scientific fields likely have a handful of far-right kooks who would be happy to rack up YouTube views promulgating alt-right talking points dressed up in the trappings of science. That says very little about the state of their fields, and a great deal about the state of our nation. And YouTube.