I wonder if it is much simpler.
The Wattses are not exceptionally well off and can not afford a private lawyer for Chris. Were they able to, they’d have been coached what to wear, how to speak, what to say and not to say, how to present themselves with dignity, etc, etc. They would have never been on that podcast with weird name.
As it is, they were invited by some strange outfit...sorry, podcast, and consequently, they are presenting in the style and manner of the place, perhaps?
So we see them precisely as they are. Not too well aware of what is going on, trying to explain the inexplicable, average, occasionally, hysterical.
I am also thinking that Shanann-bashing sites they might have visited as well, and there is a huge group of people validating their way of thinking, and then some.