Perhaps he is not as insincere as the first video indicated, but is showing some poor judgement at times in selection of guests combined with not being prepared.I’m with
@GO-NAD! in his post just above.
Ilike interviews where the interviewer is we’ll prepared and knowledgeable, and even better off the first knows what they are talking about.
As for difference in knowledge and style of interview, have a look/hearing of the following blogger that is a professor in exercise physiology with many guest that are top researchers themselves, or otherwise distinguished. He stopped making new podcast, sadly.
Ultra-marathon running science and physiology.
www.scienceofultra.com