Podcasts I listen to every episode of is a small list nowadays: Five thirty eight and waveform. The first is for political and statistic wonkiness, the second is for consumer tech. They both have good banter between the presenters

That I cannot say, and seeing as in the vast majority of the US it is illegal, all we have is supposition unfortunately

I suppose it depends on how desperate someone is for money. I am in an industry where client relationships are important, but more money will not make my hard no a yes

So long as everyone involved consents sans coercion, I do not see why anyone else should care/be involved