Sure, but the shows tried to relate somehow to the reality of the time they depicted. They could've also make the character have another profession but it would be much less credible.
Nice collection, have to mention that this[0] is probably not the way you intended the card elements to look like on big screens (with the extra white space after the image).
Couldn't have said it better, learning from only listening can be really hard under several conditions when something happening in front of you can snatch your attention away and make you miss a big chunk of info.