I was not bothered by the interjections in the Planet Money story, but I am by the ones in RadioLab. I think it´s because in PM it sounds like friendly banter,

I was not bothered by the interjections in the Planet Money story, but I am by the ones in RadioLab. I think it´s because in PM it sounds like friendly banter, but in RL every interruption is like it´s made to be thought of as a [pause for dramatic effect] revelation.