Most podcasters think they know everything but don't know shit.
Discussion
I believe that the act of podcasting itself is such an ego boost that it makes podcasters become more stupid.
Like it ruins their awareness, the same way surrounding yourself with yes men that always agree with you would
I happened to be a podcaster myself, and I've even said that I don't know everything. That doesn't mean that I don't know a thing or two that could be useful.
I personally talk about what I do in terms of tech, so that's something to consider.