Not going to happen, at least in this case. The banks are regulated and look what they got away with.
This is fine ground, as these are private stations, essentially and freedom of speech issues would arise with a vengeance.
I doubt if any station has any sort of mandate. History, for example, can put the junkers and pawn shop shows on and take a nod to history, as they do explain the provenance. Personally, I became bored with the show, been in the business too long. However, truckers and axe men sort of does escape me.
All in all, if you do not like the sation or it's programmes, do not watch it. It is called a "marketplace" after all.