Reddit, are shows like Pawn Stars, American Pickers, and American Restoration, healthy for us to watch or are they just like any other "reality-tv" show?

If it is healthy to learn and expand knowledge, are shows like Pawn Stars, American Pickers, and American Restoration healthy for us to listen to and actively watch?

Does it have any positive effects on our minds or is television - television and it is the same as watching Jersey Shore or Cops?