[ghaff]

>If you ever watch clips of corporate news talking point shows they end up inviting a lot of the same people on.

Both individual reporters and TV show producers develop a go to list of people who at least seem to know what they're talking about, usually don't have too much of an axe to grind, are presentable in the case of TV, etc. And, yes, to a lot of people they can't really imagine being invited on a TV show so someone who is "must be a real expert" which often isn't the case.